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Colour-coded plates follow IWF competition standards where weight identification at a glance is mandatory during a meet. For training environments, all-black plates offer a cleaner aesthetic, uniform appearance across mixed weight sets, and are typically more cost-effective per kilogram. The weight markings on these plates follow IWF standard colours so you can still identify weight quickly — you just get a smarter-looking gym setup in the process.
| Available Weights | 5kg · 10kg · 20kg |
| Plate Diameter | 450mm — IWF compliant (all weights) |
| Collar Opening | 51mm — fits all standard Olympic barbells |
| Thickness — 5kg | 26mm |
| Thickness — 10kg | 38mm |
| Thickness — 20kg | 80mm |
| Material | High-grade rubber with solid steel insert |
| Finish / Colour | All black — IWF-standard weight markings |
| Weight Tolerance | ±1% of stated weight |
| Drop-Test Rating | 30,000 cycles — factory tested |
| Competition Grade | IWF dimensional spec — optimised for training use |
| Warranty | 6-month manufacturing warranty (10kg and 20kg) · 5kg excluded |
| Recommended Flooring | Rubber gym tiles or lifting platform — avoid bare concrete |
| Sold As | Individually — add 2 to cart for a pair |
| Delivery | Australia-wide — all states and territories |
| Feature | All Black Bumper Plates (This Product) | Cast Iron / Calibrated Plates |
|---|---|---|
| Can Be Dropped | Yes — designed for drops from overhead | No — cracks if dropped from overhead |
| Noise on Drop | Low — rubber absorbs impact | High — iron on iron/floor is loud |
| Plate Thickness | Thicker — limits max load on sleeve | Very thin — more plates per sleeve |
| Floor Protection | Rubber surface protects flooring on drop | Iron damages floors without platform |
| Bar Height (Deadlift) | 450mm diameter — correct starting height | 450mm diameter (20kg/25kg plates) |
| Weight Accuracy | ±1% tolerance | ±10g (calibrated) — more precise |
| Best For | Olympic lifting · CrossFit · Home gyms · Drop sets | Powerlifting · Competition · Max loading |
| Durability | 30,000 drop cycles — high impact resilience | Very durable — no drop resilience needed |
- Olympic weightlifters and CrossFit athletes — bumper plates are the only safe plate option for snatch, clean and jerk and any overhead drop movement; the IWF 450mm diameter maintains correct bar starting height
- Home gym owners prioritising noise and floor protection — rubber construction dramatically reduces drop noise compared to iron plates, and protects rubber gym tile flooring from impact damage
- CrossFit boxes and commercial facilities — 30,000 drop-cycle factory test rating confirms commercial durability; the all-black colourway maintains a consistent aesthetic across a mixed plate collection
- Strength athletes who occasionally drop the bar — if your programming includes deadlift touch-and-go sets, Romanian deadlifts to the floor or any movement where the bar needs to be set down quickly, bumper plates handle this safely
- Anyone building a first Olympic barbell setup — the 51mm collar fits all Olympic barbells; sold individually so you can build exactly the weight set you need without being locked into fixed pairs or sets
Sydney (NSW) · Parramatta · Bankstown · Liverpool · Penrith · Blacktown · Campbelltown · Bondi · Chatswood · Castle Hill · Northern Beaches · Inner West · Sutherland Shire · Eastern Suburbs · Newcastle · Wollongong · Central Coast · Melbourne (VIC) · Richmond · Brunswick · Essendon · Frankston · Dandenong · Geelong · Ballarat · Brisbane (QLD) · Gold Coast · Sunshine Coast · Toowoomba · Cairns · Townsville · Adelaide (SA) · Glenelg · Norwood · Perth (WA) · Canberra (ACT) · Hobart (TAS) · Darwin (NT)
Black Cast Iron Olympic Weight Plates 50mm Centre Hole | 1.25kg to 25kg | Slim Profile Design
Our black cast iron Olympic weight plates are built for lifters who want the classic feel, sound, and loading capacity of traditional iron. The slim profile means more plates fit on the sleeve than an equivalent rubber coated plate, which matters once you're loading heavy for squats, deadlifts, or bench press.
Each plate is manufactured with a precise 50mm Olympic centre hole, so it fits standard Olympic barbells, EZ bars, and adjustable dumbbell handles without play or wobble. Whether you're setting up a home gym, garage gym, or fitting out a PT studio, these plates give you a straightforward, durable option for building your weight library.
Below you'll find the full specification, honest pros and cons, and everything you need to know before ordering.
In The Box
Why Choose Cast Iron Plates
Engineering and Finish
These plates are cast from solid iron and finished in a black hammertone coating, chosen for its resistance to scratching, chipping, and general wear from daily gym use. The 50mm centre hole is machined to a consistent tolerance so plates load and unload smoothly without excess play on the sleeve, and the raised grip lip reduces strain when loading and stripping the bar during heavy sessions.
Frame weight tolerance is held to ±3% across the range. Plate dimensions per weight and country of manufacture are To confirm.
Technical Specifications
| Material | Cast iron |
| Finish | Black hammertone coating |
| Centre hole diameter | 50mm (fits Olympic barbell sleeves) |
| Weight tolerance | ±3% |
| Available weights | 1.25kg, 2.5kg, 5kg, 10kg, 15kg, 20kg, 25kg |
| Plate dimensions per weight | To confirm |
| Warranty | To confirm |
| Country of manufacture | To confirm |
| Recommended use | Powerlifting, strength training, bodybuilding, home and commercial gyms |
Pros and Cons
- Slim profile allows more weight to be loaded on the bar than rubber coated equivalents
- Durable hammertone finish suited to daily use
- Classic iron feel and sound preferred by many serious lifters
- Consistent weight accuracy for reliable programming
- Accessible price point across the full weight range
- Not designed for overhead dropping, Olympic lifting, or CrossFit style releases
- Louder on the bar and on the floor than rubber coated or bumper plates
- Can mark or damage unprotected flooring if dropped
- No colour coding, so plates are identified by size rather than colour at a glance
Who Is This For
-
Home gym ownersBuilding a strength training setup without the extra cost of rubber coated plates.
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Powerlifters and strength athletesWho want maximum loading capacity within a limited sleeve length.
-
Garage gym owners on a budgetWho need a durable, no-frills weight plate solution.
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PT studios and small commercial gymsWanting a classic iron plate option alongside rubber coated stock.
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Lifters upgrading from adjustable dumbbellsMoving into barbell training with a full Olympic plate set.
Who should not buy these: if you regularly drop plates from overhead in Olympic lifting or CrossFit style training, our rubber coated or bumper plate range is a better fit. If you want a colour coded system for fast visual weight identification, rubber coated plates will suit you better than plain cast iron. If you're training in a shared space or apartment building, the noise from cast iron on cast iron may not be ideal.
Worried about floor damage or noise? Cast iron plates are heavier and louder than rubber coated alternatives, but pairing them with proper rubber gym flooring protects your subfloor and reduces impact noise significantly. Browse our rubber gym flooring range to set up your space correctly from day one.
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Frequently Asked Questions
Olympic Bumper PlatesIWF Colour-Coded Rubber Plates, Sold in Matched Pairs
Our Olympic bumper plates are built for lifters who need to drop the bar with confidence. Each plate is moulded from a 70% virgin rubber compound around a stainless steel insert ring, giving you a plate that protects your floor, your barbell, and your joints without losing its shape over years of heavy use. Whether you are setting up a home gym, fitting out a PT studio, or adding to an existing commercial rack, these bumper plates are sized to the 450mm IWF standard so they load and spin cleanly on any Olympic barbell.
A common concern with cheaper bumper plates is excessive bounce or inconsistent diameter across weights, which throws off your platform height and makes cleans and snatches feel unpredictable. These plates are moulded to a consistent 450mm diameter across the range and designed for low bounce, so your bar sits at the same height whether you are loading 5kg or 20kg. Read on for full specifications, what is included, and honest guidance on who these plates suit best.
What Comes In The Box
Standout Features
Technical Specifications
| Diameter | 450mm / 17.72" (IWF standard) |
| Collar Opening | 50.4mm / 1.98" |
| Material | 70% virgin rubber with stainless steel insert ring |
| Bounce Level | Low bounce |
| Finish | IWF colour coded |
| Sold As | Matched pairs (2 plates per pack) |
| Weight Tolerance | To confirm |
| Full Weight Range Available | To confirm |
| Warranty | 6 months manufacturing warranty. Excludes 5kg plates |
| Weight (Per Plate) | Thickness |
|---|---|
| 5kg | 26mm |
| 10kg | 38mm |
| 20kg | 80mm |
| Other weights (2.5kg, 15kg, 25kg etc.) | To confirm |
- Stainless steel insert ring instead of a plastic hub
- Consistent 450mm diameter keeps bar height even across weights
- Low bounce profile suits Olympic lifting and CrossFit-style training
- IWF colour coding makes loading and unloading faster
- 5kg plates are thinner and excluded from the manufacturing warranty for repeated heavy dropping
- Best protected on rubber flooring rather than bare concrete
- New rubber plates can carry a mild rubber smell for the first few weeks
- Full weight range and individual plate weight tolerance are to confirm at time of order
Who Is This For
- Home gym owners who want plates that protect their garage or shed floor during heavy drops.
- CrossFit and functional fitness athletes who regularly drop the bar from overhead.
- Powerlifters and Olympic lifters who need a consistent 450mm bar height across weights.
- Personal trainers and PT studios fitting out a space for client sessions involving cleans, snatches, or deadlifts.
- Commercial gyms upgrading from cast iron plates to reduce floor and equipment wear.
Who should not buy: if you are only ever lifting from the floor with controlled, no-drop technique, standard cast iron or grip plates will usually be a more cost-effective choice. If you need a full fractional plate set for fine 0.5kg to 1kg increments, a dedicated fractional plate set will suit that purpose better than bumper plates.
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Competition Olympic Bumper Plates – Precision Weightlifting Plates Australia (Sold Individually)
Upgrade your lifting setup with our Competition Olympic Training Bumper Plates – engineered for elite performance, precision accuracy, and minimal bounce. Ideal for Olympic weightlifting, CrossFit, powerlifting, and commercial gyms across Australia.
Made from 100% virgin rubber with a steel centre ring and zinc plating, these plates offer a precise weight tolerance of just ±1%, ensuring consistent performance.
Key Features:
- Thinner Profile: Load more plates on the bar – 25KG is only 63mm thick, 20KG just 52mm.
- Minimal Bounce: Reduced movement on impact for safer lifting.
- IWF Colour Coding: Green (10KG), Yellow (15KG), Blue (20KG), Red (25KG).
- Durable Build: Virgin rubber with steel insert ensures long life.
- Universal Fit: 50.40mm collar opening suits all Olympic barbells.
Specifications:
- Diameter: 450mm (IWF Standard)
- Collar Opening: 50.40mm
- Weight Tolerance: ±1%
- Protective Rubber Flanges for durability
- Warranty: 6 months (excludes 5KG plates)
Perfect for home gyms in Sydney, CrossFit studios in Melbourne, and strength centres in Brisbane, these weight plates deliver professional performance with every lift.
Frequently Bought Together
- 15KG Olympic Barbell – Elite Black Zinc Finish
- Commercial Squat Rack with Plate Holders
- Premium Black Gym Flooring – 15mm
- Aluminium Lock Jaw Barbell Collars
Order Today
Whether you're levelling up your home gym or preparing for competition, these bumper plates are engineered to help you lift safely and efficiently. Order now for fast Australia-wide delivery!
IWF Calibrated Olympic Competition Bumper Plates (Sold Individually) – Precision Weightlifting Plates Australia
If you are searching for competition bumper plates, Olympic competition bumper plates or the best competition bumper plates in Australia, these IWF-calibrated Olympic bumpers deliver unmatched accuracy and durability for serious strength athletes.
Engineered to meet strict IWF specifications, these colour competition bumper plates feature accurate calibration to ±10 g, a slim profile for maximum loading, and a dead-bounce design ideal for Olympic lifting, powerlifting and competitive CrossFit. Whether you train in a home gym or a performance centre, these plates provide world-class reliability.
Unmatched Accuracy & Performance
Each plate is precision calibrated so the weight you load is the weight you lift — essential for competition prep and serious strength progression.
The slim profile maximises barbell capacity, especially for heavy deadlifts, squats, cleans and snatches. The zinc-plated steel disc hub ensures ultra-smooth loading, long-term durability and consistent fit across all Olympic bars.
- Calibrated to ±10 g for elite accuracy
- IWF-standard 450 mm diameter and 50.4 mm collar opening
- Dead-bounce virgin rubber for safer lifting
- Slim profile for maximum loading
- Bright colour coding for fast identification
- Perfect for weightlifting, powerlifting and CrossFit
Plate Specifications
| Weight | Colour | Thickness |
|---|---|---|
| 25 kg | Red | 63 mm |
| 20 kg | Blue | 52 mm |
| 15 kg | Yellow | 42 mm |
| 10 kg | Green | 32 mm |
| 5 kg | White/Grey | 24 mm |
Note: Price is per plate. Add multiples to create a pair or full calibrated set.
Warranty & Care
Warranty: 6-month manufacturing warranty (5 kg plates excluded).
Care: Use only on rubber gym flooring or lifting platforms. Avoid dropping on concrete.
FAQs
Q: Are these plates competition approved?
A: Yes, they meet IWF specifications and are suitable for competition-level use.
Q: Do they fit standard Olympic barbells?
A: Yes — they use a 50.4 mm collar opening compatible with all Olympic bars.
Q: Are they sold as singles or pairs?
A: They are sold individually. Add multiple plates for your desired setup.
Tri-Grip Olympic Weight Plates Rubber-Coated Pairs | 2.5kg to 25kg | 50mm Olympic Hole
These Tri-Grip Olympic weight plates are built for home gyms, PT studios and commercial training spaces across Australia. Sold in matched pairs, each plate features a heavy-duty rubber coating that protects your flooring and equipment while keeping noise down during loading and unloading.
The three-point tri-grip handle design means you can lift, carry and load each plate with one hand, without the plate rocking or slipping. Combined with a precision-fitted 50mm Olympic centre hole and stainless steel inserts, these plates are a solid, no-fuss option whether you are building your first home rack or restocking a commercial floor.
Below you will find the full weight and diameter range, what is included with each pair, and everything you need to know before you order.
| Plate Type | Tri-Grip Olympic weight plate |
| Sold As | Matched pair (2 plates per order) |
| Centre Hole | 50mm Olympic standard |
| Coating | Rubber-coated casing |
| Centre Insert | Precision stainless steel |
| Grip Design | Tri-grip, three integrated handle points |
| Weight Range | 2.5kg, 5kg, 10kg, 15kg, 20kg, 25kg |
| Plate Thickness | To confirm |
| Weight Tolerance | To confirm |
| Warranty | To confirm — see manufacturer warranty page for general terms |
| Weight (Per Plate) | Diameter |
|---|---|
| 2.5kg | 220mm |
| 5kg | 320mm |
| 10kg | 360mm |
| 15kg | 400mm |
| 20kg | 450mm |
| 25kg | To confirm |
- Rubber coating protects floors and reduces impact noise
- Tri-grip handles make one-handed carrying and loading easier
- Sold in pairs, so both sides of your barbell are matched from the same order
- Fits standard 50mm Olympic barbells and plate-loaded machines
- Larger sizes such as 20kg and 25kg are bulky to store without a dedicated rack
- Rubber coating adds bulk compared with slimline cast iron plates of the same weight
- Exact plate thickness per weight is not yet published, so tight rack spacing should be confirmed with our team first
- Home gym ownersWho want floor-friendly, quieter plates for a garage or spare room setup.
- Apartment and unit dwellersWho need to keep noise down during barbell training.
- PT studios and small commercial gymsThat need a durable, everyday plate range without a premium price tag.
- Lifters building a plate collection graduallySince plates are sold in individual weight pairs, you can add sizes as your training progresses.
- Anyone upgrading from bare cast ironWho wants better grip and less risk of chipped or rusted plates over time.
Who should not buy: if you specifically need competition-standard bumper plates for dropping from overhead lifts, a rubber-coated tri-grip plate is not designed for that use. If you need precision weight accuracy for competitive powerlifting, ask our team to confirm current tolerance specifications before ordering.
Coloured Edge Olympic Bumper Plates: Built to Perform, Designed to Last
Note: Plates are sold individually. The price displayed is per plate.
Elevate your training with our premium Coloured Edge Olympic Bumper Plates. Engineered for serious weightlifters, these plates combine precision, safety, and long-term durability. Whether you are upgrading a home gym setup in Sydney, outfitting a CrossFit box in Melbourne, or managing a commercial fitness facility in Brisbane, these weights are built to withstand the drop.
Tested rigorously with over 30,000 drops, these rubber weight plates are the trusted choice for athletes and gym owners across Perth, Adelaide, and throughout Australia. They represent the gold standard in strength training equipment.
Why Choose These Olympic Bumper Plates?
Our bumper plates are designed to meet the demands of powerlifting, Olympic lifting, and high-intensity functional training. Here is why they are the superior choice for your gym fit-out:
- IWF Standard Specification: Features a standard 450 millimetre diameter and a 50.40 millimetre collar opening, ensuring a perfect fit on all standard Olympic barbells.
- Precision Calibrated Weight: Manufactured with a strict weight tolerance of within +/- 1%, guaranteeing accuracy for competition-style training and progress tracking.
- Low Bounce Virgin Rubber: The high-density, 70% virgin rubber construction creates a "dead bounce." This ensures safety for the lifter and offers superior gym flooring protection.
- Reinforced Stainless Steel Insert: Unlike cheaper alternatives, our plates feature a chrome-plated stainless steel insert that is chemically bonded to the rubber to prevent popping out during heavy drops.
- Colour Coded Identification: The distinct coloured edges adhere to international colour standards, making weight identification instant and easy during fast-paced workouts.
- Raised Flange Durability: The smart design prevents direct metal-to-metal contact between plates, reducing friction and significantly extending the lifespan of your lifting equipment.
Technical Specifications
For athletes and search engines looking for precise data, here are the exact metrics of our plates:
- Material Composition: High-quality virgin rubber with heavy-duty steel insert
- Plate Diameter: 450mm (IWF Standard)
- Collar Opening: 50.40mm (Fits 50mm Olympic Sleeves)
- Weight Tolerance: +/- 1% accuracy
- Durometer Rating: High (Low/Dead bounce profile)
- Design: Black matte finish with IWF coloured edges and 24/7 Gym Equipment logo
- Usage: Commercial Gyms, Home Garages, CrossFit Studios, Weightlifting Clubs
Frequently Asked Questions (FAQs)
Why are bumper plates better than iron plates?
Bumper plates are made of solid rubber, which allows them to be dropped safely from overhead without damaging the floor or the barbell. This makes them essential for Olympic weightlifting and CrossFit training. Iron plates can crack flooring and are too loud for most home environments.
Do these plates fit standard gym barbells?
Yes. These plates have a 50.40mm opening, making them compatible with all standard Olympic barbells used in commercial gyms and competitions.
Can I use these plates on concrete?
While our plates are incredibly durable, we highly recommend using them on rubber gym mats or a lifting platform. Dropping them directly on rough concrete may scuff the aesthetic finish and shorten the warranty lifespan.
Where do you ship these weights?
We supply gym equipment Australia-wide. Whether you are lifting in Canberra, setting up on the Gold Coast, or running a fitness studio in Hobart or Newcastle, we ship to Sydney, Melbourne, Brisbane, Adelaide, Perth, Geelong, and regional areas.
Warranty & Care
- Warranty: 6-Month Manufacturing Warranty (Excludes 5kg plates due to their thin profile).
- Exclusions: Normal wear and tear, cosmetic scuffs, or damage caused by misuse (e.g., dropping 5kg plates alone).
- Care Instructions: Clean with a mild soap solution. Always store on a weight plate tree or toaster rack to maintain rubber integrity.
Ready to hit a new PR? Upgrade your setup with our professional-grade Coloured Edge Olympic Bumper Plates today. Secure, durable, and priced for value—perfect for any Aussie lifter.
27mm thick
22.5mm thick
21mm thick
21mm thick
21.5mm thick
* 20kg and 25kg plates are full regulation 450mm diameter. 5–15kg plates use smaller diameters for easier handling and loading — these do not touch the floor during deadlifts when larger plates are loaded on the bar.
Key Features| Feature | Calibrated Cast Iron (This Product) |
Standard Iron Plates | Rubber Bumper Plates |
|---|---|---|---|
| Weight Accuracy | ±10 grams | ±3–5% variance | ±1–3% variance |
| Plate Thickness (25kg) | 27mm | ~35–40mm | ~55–65mm |
| Bar Loading Capacity | 700kg+ | Moderate | Limited — bulky |
| Collar Fit | Precision 50.4mm bore | Often loose — rattle | Moderate |
| Bar Whip (Oscillation) | Minimal — weight close to centre | Moderate | High — weight far from centre |
| Can Be Dropped Overhead | No — powerlifting plates only | No | Yes — designed for dropping |
| Competition Use | IPF / GPC powerlifting meets | Not used in competition | IWF weightlifting meets |
| Best For | Powerlifting · Strength training | Budget home gym | Olympic lifting · CrossFit |
| Type | Calibrated competition cast iron powerlifting plate |
| Available Weights | 5kg · 10kg · 15kg · 20kg · 25kg |
| Weight Tolerance | ±10 grams of stated weight — machine calibrated |
| Centre Bore | 50.4mm — precision-drilled for standard Olympic 50mm sleeves |
| Diameter — 25kg & 20kg | 450mm (full regulation diameter) |
| Diameter — 15kg | 400mm |
| Diameter — 10kg | 325mm |
| Diameter — 5kg | 228mm |
| Thickness — 25kg | 27mm |
| Thickness — 20kg | 22.5mm |
| Thickness — 15kg / 10kg | 21mm |
| Thickness — 5kg | 21.5mm |
| Colour Coding | IPF standard — Red 25kg · Blue 20kg · Yellow 15kg · Green 10kg · White 5kg |
| Finish | Chip-resistant colour powder coat |
| Sold As | Individually — add 2 to cart for a pair |
| Compatible Bars | Standard 50mm Olympic barbells — power bars, deadlift bars, stiff bars |
| Delivery | Australia-wide — all states and territories |
- Competitive powerlifters — IPF, GPC and most Australian meet sanctioning bodies use calibrated steel plates. Train on the same equipment you compete on for accurate programming and meet-day familiarity
- Strength athletes tracking precise loads — progressive overload programming requires accurate starting weights. ±10g tolerance means your 5kg progression is exactly 5kg, not 4.2kg or 5.8kg
- Home gym owners running heavy loads — the slim profile allows significantly more weight on the sleeve than bumper plates, making calibrated iron the only practical choice at 300kg+ loading
- Commercial gyms and PT studios — IPF colour coding speeds up loading for clients and coaches; precision bore eliminates the rattle and instability of loose standard plates on commercial power bars
- Athletes transitioning to competition — if you train on thick bumper plates but plan to compete, switching to calibrated steel beforehand ensures the bar behaves identically to meet equipment on the day
Sydney (NSW) · Parramatta · Bankstown · Liverpool · Penrith · Blacktown · Campbelltown · Bondi · Chatswood · Castle Hill · Northern Beaches · Inner West · Sutherland Shire · Eastern Suburbs · Melbourne (VIC) · Richmond · Brunswick · Essendon · Frankston · Dandenong · Geelong · Brisbane (QLD) · Gold Coast · Sunshine Coast · Toowoomba · Cairns · Townsville · Adelaide (SA) · Perth (WA) · Canberra (ACT) · Wollongong (NSW) · Newcastle (NSW) · Hobart (TAS) · Darwin (NT)
90kg Cast Iron Olympic Plate Bundle – Commercial Grade Weight Set
Take your home gym or commercial facility to the next level with our 90kg Cast Iron Olympic Plate Bundle. Curated for serious strength training, this set includes three pairs of heavy-duty plates (10kg, 15kg, and 20kg). Whether you are powerlifting, bodybuilding, or equipping a garage gym in Australia, this bundle offers the perfect balance of durability, precision, and value.
Product Highlights
- Total Weight: 90kg (6 Plates Total)
- Set Breakdown: 2 x 10kg, 2 x 15kg, 2 x 20kg
- Compatibility: Fits all standard 50mm (2-inch) Olympic Barbells
- Material: Solid Cast Iron with Hammertone/Black Finish
- Location: Dispatched daily from Sydney, NSW
Built for Heavy Lifting
Engineered for longevity, these Cast Iron Olympic Plates feature a classic "old school" feel with modern manufacturing precision. The slim-profile design allows for increased loading capacity on your barbell, making them essential for heavy deadlifts, squats, and bench presses. The protective hammertone or black finish resists chipping and rust, ensuring they withstand the humidity of Australian garages and the wear-and-tear of commercial studios.
Precision & Compatibility
Accuracy is key to progressive overload. Our plates are manufactured with a strict ±3% weight tolerance, ensuring your lifts are balanced and true. The standardised 50mm centre hole guarantees a smooth slide onto any Olympic sleeve, minimising wobble during lifts.
Bundle Specifications
| Plate Weight | Dimensions (Approx) | Quantity in Bundle |
| 10kg | 29cm x 29cm x 3.5cm | 2 Plates (1 Pair) |
| 15kg | 35cm x 35cm x 3cm | 2 Plates (1 Pair) |
| 20kg | 42cm x 42cm x 4cm | 2 Plates (1 Pair) |
| TOTAL | 90kg Total Weight | 6 Plates Total |
Why Buy the 90kg Bundle?
Buying in a bundle is the smartest way to build your weight set.
- Cost Effective: Significantly cheaper price-per-kg compared to buying individual pairs.
- Versatile Loadout: The mix of 10s, 15s, and 20s allows for smooth weight progression.
- Space Saving: Iron plates are thinner than bumper plates, saving valuable space on your weight tree or floor.
Comparison: Bundle vs. Individual Pairs
| Feature | 90kg Bundle Offer | Buying Separately |
|---|---|---|
| Price Efficiency | ✅ Best Value (Bulk Discount) | ❌ Higher cost per plate |
| Convenience | ✅ One click, full setup | ❌ Multiple transactions |
| Shipping | ✅ Consolidated shipping from Sydney | ⚠️ May incur multiple shipping fees |
Frequently Asked Questions
Q: Will these plates fit my barbell?
A: Yes, these plates have a standardised 50mm (2-inch) diameter hole, making them compatible with all Olympic barbells, EZ curl bars, and plate-loaded machines.
Q: Are these bumper plates or iron plates?
A: These are Cast Iron plates. They are thinner and more durable than rubber bumper plates, but they are not designed to be dropped from overhead unless you are using a lifting platform and crash pads.
Q: Where do you ship from?
A: We hold stock locally and ship directly from our Sydney warehouse. We offer fast delivery to Melbourne, Brisbane, Perth, Adelaide, and regional Australia.
Q: What is the warranty?
A: We offer a standard local warranty on structural integrity. We are an Australian business committed to quality support.
Fine-tune your lifts with precision. Our Olympic Change Plates let you add small, accurate weight increments to any 50mm Olympic barbell — ideal for progressive overload, rehabilitation training and breaking through strength plateaus. Available in 0.5kg, 1.25kg and 2.5kg, sold as a single plate.
Built for Serious Progressive Overload
Technical Details
| Sold As | Single plate (not a pair) |
| Weight Options | 0.5kg / 1.25kg / 2.5kg |
| Material | Rubber coated |
| Colour | Black |
| Hole Diameter | 51mm |
| Barbell Compatibility | 50mm Olympic barbells |
| Use Case | Home gyms, PT studios, commercial gyms |
| Delivery | Australia-wide — Sydney, Melbourne, Brisbane, Adelaide, Perth |
For Every Lifter at Every Level
- Powerlifters & strength athletes — working in small percentage-based increments for competition prep
- Beginners — building strength gradually without overwhelming weight jumps
- Rehabilitation & physio training — where precise, controlled loading is critical to recovery
- Home gym owners — completing a full micro-loading setup without buying a full plate set
- PT studios — serving clients of all strength levels on the same barbells
- Olympic weightlifters — dialling in exact competition-standard loads during training
Common Questions
Coloured Olympic Bumper Plates are the colour-coded, drop-ready weight plates for serious lifters, CrossFit boxes, PT studios and commercial gyms across Australia. Made from durable high-density rubber with a precision steel insert hub and a 50mm Olympic bore, these bumper plates are engineered to be dropped from overhead during Olympic lifting, dead-stops and failed reps without damaging the plate, the bar or your floor. Available in 5kg, 10kg, 15kg, 20kg and 25kg with a unique colour for every weight, they deliver instant weight identification, a controlled low bounce and a consistent diameter across the range. The integrated grip slot makes loading, carrying and changing plates fast and safe. Built for Olympic weightlifting, powerlifting, CrossFit and functional strength training — sold individually and in pairs so you can build the exact set you need. Also known as coloured bumpers, rubber bumper plates, Olympic weight plates or drop plates.
Olympic Bumper Plate Colours — 5kg to 25kg
Coloured Olympic Bumper Plates — Full Feature Set
Where Coloured Bumper Plates Perform Best
Olympic Weightlifting
Purpose-built for the snatch and clean & jerk, where the bar is regularly dropped from overhead. The rubber construction and controlled bounce protect your equipment and floor through countless drops, while the consistent diameter keeps the bar at the correct pull height for every rep.
CrossFit & Functional Fitness
A staple of every CrossFit box and functional training floor. Bumper plates handle high-rep WODs, touch-and-go lifts and dropped barbells without damage, and the colour-coding lets athletes load and change weights fast between movements and stations.
Home & Garage Gyms
The right choice for any home gym where deadlifts, cleans or overhead work end with the bar on the floor. Paired with rubber gym flooring, bumper plates protect concrete and timber sub-floors and keep noise down for shared and suburban homes.
PT Studios & Commercial Gyms
Durable enough for daily multi-user loading across a full client roster. The steel insert hub resists wear from constant plate changes, and colour-coding keeps a busy free-weight floor organised. Order in volume for a complete commercial Olympic fitout.
Bumper Plates vs Cast Iron Plates — Comparison
| Factor | Cast Iron Plates | ⭐ Rubber Bumper Plates |
|---|---|---|
| Safe to Drop | No — can crack & damage floor | Yes — designed for overhead drops |
| Olympic Lifting | Not suitable | Purpose-built for snatch & clean |
| Floor & Bar Protection | Minimal — hard metal impact | Rubber absorbs & protects on impact |
| Weight Identification | Raised numbers only | Colour-coded + raised KG markings |
| Noise | Loud clang on contact | Quieter, cushioned set-downs |
| Bar Fit | Varies | Steel insert hub — snug 50mm fit |
| Best For | Static lifts, machines, fixed racks | Olympic lifting, CrossFit, dropped lifts |
Product Specifications
| Product | Coloured Olympic Bumper Plate — Rubber Drop Plate |
| Material | High-density rubber with steel insert hub |
| Bore | 50mm Olympic — fits all Olympic barbells |
| Available Weights | 5kg, 10kg, 15kg, 20kg, 25kg |
| Colour Coding | 5kg Grey · 10kg Green · 15kg Yellow · 20kg Blue · 25kg Red |
| Diameter | Approximately 450mm (competition standard) on 10kg and above |
| Markings | Raised KG weight markings on both faces |
| Grip | Integrated moulded grip slot for one-handed handling |
| Drop Rating | Designed for repeated overhead drops on appropriate flooring |
| Sold As | Individually and in pairs — build your own set |
| Best For | Olympic weightlifting, CrossFit, powerlifting, functional training |
| Also Known As | Coloured bumpers, rubber bumper plates, Olympic weight plates, drop plates |
| Delivery | Australia-wide — Sydney, Melbourne, Brisbane, Adelaide, Perth, Canberra & regional |
Coloured Olympic Bumper Plates Are Ideal For
- Olympic weightlifters — who need drop-rated plates with a consistent diameter and controlled bounce for the snatch and clean & jerk
- CrossFit athletes & box owners — needing durable, colour-coded plates that survive high-rep WODs and constant dropped lifts across many users
- Home & garage gym owners — who want to deadlift, clean and press without damaging the floor or bar, especially when paired with rubber gym flooring
- Powerlifters & strength athletes — who want the protection of bumper plates for heavy pulls and the ability to drop the bar safely after a max effort
- PT studios & commercial gyms — fitting out an Olympic platform or free-weight zone that needs to withstand daily multi-user loading
- Anyone comparing to cast iron plates — if you drop the bar at any point in your training, bumper plates are the correct choice over cast iron, which can crack and damage your floor
Bumper Plates Delivered Across Australia
More Olympic Lifting Gear
Coloured Olympic Bumper Plates — FAQ
Sydney (NSW) · Parramatta · Penrith · Blacktown · Liverpool · Campbelltown · Bankstown · Eastern Suburbs · Northern Beaches · Inner West · North Shore · Western Sydney · Sutherland Shire · Wollongong · Newcastle · Melbourne (VIC) · Richmond · Brunswick · Geelong · Brisbane (QLD) · Gold Coast · Sunshine Coast · Adelaide (SA) · Perth (WA) · Canberra (ACT) · Hobart (TAS) · Darwin (NT) · All Regional Australia
STANDARD CHANGE PLATE - (PAIR)
For the added convenience of implementing a lighter increment to your set, our Standard Size Change Plates are the perfect 'little' addition to any workout!
PLEASE NOTE: Our Standard Size Change Plates are ONLY suited for standard barbells (NOT Olympic) and are available in ONE SIZE of 1.25kg, fitting standard barbells that are 30mm in diameter.
Key Features
- Sold as pairs (two plates)
- 30mm diameter center hole (suits standard plates)
- Made from the same rubber as our Olympic Change Plates and Bumper Plates
Specifications:
| Material | Rubber |
| Colour |
Black |
| Ring Diameter | 29mm |
| Weight | 1.25kg |
Weight Plates for Every Lift and Training Style
Bumper, Cast Iron, Calibrated and Change Plates – Built for Serious Lifters
Weight plates are the foundation of any strength training setup, letting you load barbells, plate-loaded machines and Olympic dumbbell handles for progressive resistance. Choosing the right plate comes down to how you train: whether you drop the bar, how much weight you need on the sleeve, and how accurate your loading needs to be.
At 24/7 Gym Equipment, our range covers every type of lifter. Choose Olympic bumper plates for snatches, cleans and CrossFit, cast iron plates for powerlifting and heavy loading, rubber-coated tri-grip plates for quieter home training, calibrated competition plates for precision, and change plates for micro-loading. Visit our Milperra showroom in Sydney, or order online for Australia-wide delivery.
Which Weight Plates Do You Need?
- Olympic Bumper Plates – High-density rubber with a steel insert, built to be dropped from overhead. They have an IWF-standard 450mm diameter and come in all-black, colour-coded and coloured-edge options.
- Cast Iron Olympic Plates – Slim-profile plates that fit more weight on the sleeve, ideal for squats, bench and deadlifts. Available in sizes from 1.25kg to 25kg, plus a 90kg bundle.
- Rubber-Coated Tri-Grip Plates – Easy-carry grip handles and a floor-friendly rubber coating, a popular choice for home and apartment gyms.
- Calibrated Competition Plates – Calibrated to ±10g, in IWF bumper and IPF cast iron options for competition prep and accurate programming.
- Change Plates – 0.5kg, 1.25kg and 2.5kg Olympic change plates for small, steady progression, plus standard change plates for 30mm bars.
Complete your setup with an Olympic barbell, barbell collars, a power rack and rubber gym flooring to protect your floor.
Frequently Asked Questions
What weight plates are best for a home gym?
If you drop the bar or train in a shared or upstairs space, bumper plates or rubber-coated plates are best because they reduce noise and protect your floor. If you mainly squat, bench and deadlift in a rack, cast iron plates are compact and cost-effective.
Can I drop weight plates from overhead?
Only bumper plates are designed for overhead drops during snatches, cleans and CrossFit. Cast iron and calibrated steel plates can crack or damage your floor if dropped. Always drop onto rubber gym flooring or a lifting platform, never bare concrete.
What's the difference between standard and Olympic plates?
Olympic plates have a 50–51mm centre hole to fit 50mm Olympic barbell sleeves, the standard in commercial gyms. Standard plates have a smaller hole of around 25–30mm and only fit standard (non-Olympic) bars.
How accurate are your weight plates?
Accuracy depends on the plate type. Calibrated competition plates are accurate to ±10g, most of our bumper plates are within ±1%, and standard cast iron plates are within ±3%. Each product page lists its exact tolerance.
Are plates sold individually or in pairs?
It varies by product. Some plates are sold individually so you can build your exact set, while others come as matched pairs. Each product page states clearly how it is sold.
Do you deliver weight plates across Australia?
Yes, we deliver to Sydney, Melbourne, Brisbane, Adelaide, Perth and regional Australia. You can also collect from our Milperra NSW showroom and warehouse, and depot pickup is available in selected cities. Large plate orders ship on a pallet, so contact us for a freight quote.
Do you sell barbell and plate bundles?
Yes. Our 90kg cast iron plate bundle gives you a full working set at a better price per kilo. Pair it with an Olympic barbell for a complete strength setup.
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Why Choose 24/7 Gym Equipment ?
We deliver premium home and commercial gym equipment with unbeatable prices, expert advice, and fast nationwide shipping. Trusted by thousands of lifters across Australia. Set up your dream gym with confidence!
