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5kg competition bumper plates, bumper plates, bumper plates, olympic bumper, olympic bumper plates, olympic bumpers, olympic bumper set, olympic weight bumper, crossfit bumper plates

Competition Bumper Plate 5kg (Pair)

$229.00 AUD

or make 4 interest-free payments of $57.25 AUD fortnightly with

All prices are inclusive of GST.

In technique training and dropping applications your bumper plates take a beating – which is why SMAI created the 5kg Competition Bumper Plate to ensure it was manufactured for durability. Featuring twelve Hex Bolts to hold the main structure in place, these rubber bumper plates offer incredible support on the sides in order to absorb impact without any distortion of shape. The perfect weight set addition to any gym space.


  • Insert type: steel internal collar
  • Protective rubber flanges
  • Laminated with logo and weight denomination
  • Diameter: 450mm (17.72%)
  • Collar opening: 50.4mm (1.98%)
  • Plate thickness: 31mm
  • Weight Tolerance: +/- 10 grams of claimed weight

Pickup: Available from our Head Office, 93 Jardine St, Fairy Meadow NSW 2519 Australia. Orders will be available for pick up within 1-2 business days. We will call you to arrange a suitable time.

Shipping Costs: Calculated during checkout, taking into calculation the quantity of items ordered, the weight, and the dimensions.

Dispatch: Within 1-3 business days from our warehouse. Tracking confirmation will be provided by email.

Delivery: 1-6 business days to major cities in Australia via Star Track Express (for satchels, loose cartons and pallets). For larger items or multiple pallets, we use Toll’s general service, which may take longer than our express service.

When you receive your items: Delivery times will be between 9am to 5pm (weekdays only). A signature is required. Please note, if there is no one available to sign for your order, 2nd delivery charges may apply.

Transit Insurance: You need to sign for your goods on delivery in order to be covered by insurance for any theft, damage or loss to your goods during transit. Where written authority has been provided to deliver without signature, any insurance cover will be voided.

Delays: We always try to ensure that your order is delivered in a prompt and timely manner, however, factors outside our control may cause delays. SMAI is not liable for any loss that may occur as a result of such delays.


View full shipping & delivery information here.

We offer 14 days returns for change of mind. 

To be eligible for a return, your item:

- Must be unused and in the same condition that you received it
- Must be returned within 14 calendar days of receiving the order
- Must be in its original packaging
- Must have the receipt or proof of purchase (please enclose in return)

 Items not eligible for return:

- Items on sale / clearance / end of the line
- Requests received after 14 days of receiving your order
- Items used or not in original condition and packaging
- Items with no receipt of purchase


Please see our Returns Policy for more info.




All products sold by SMAI have a manufacturing warranty that covers the structural integrity of the product, and so long as the equipment is fit for its intended purpose (this excludes clearance items). If your product turns out to be faulty or damaged, SMAI will repair, replace or refund the item; unless (but not limited to):

  • The product has not been used for its original intended purpose
  • Normal wear and tear
  • Cosmetic damages
  • Misuse
  • Incorrect installation/assembly
  • Improper storage
  • Poor maintenance
  • Outside the warranty period
  • Lack of proof of purchase

Unless otherwise specified in our Warranty Policy, all products have a 3 month manufacturing warranty, starting from date of invoice.

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Please be advised that it is the responsibility of the purchaser to ensure correct installation and maintenance of the products, and inform further users or clients of proper equipment usage and handling. We recommend that you conduct regular equipment audits to ensure that all your products are correctly maintained and replaced as required.


Item Name



Aphesis Competition Bumper Plate, Bumper Plates, Competition Bumper Plates, HD Bumper Plates

Type of Warranty

Manufacturing Fault

Warranty Period

12 months

Max. Weight Variance

+/- 10 grams

Do Not

  • Use outdoors
  • Use without protective impact absorbing surface (such as an Olympic lifting platform or rubber gym tiles with min. thickness of 8mm)
  • Use on a rigid, uneven surface such as concrete, gravel etc.
  • Use with barbells that are over 50mm collar diameter


  • Normal wear and tear, cosmetic damages, surface scratches, chipping
  • Drying out or cracking from overexposure to UV rays


  • Use a PH neutral detergent to wipe over the plates. Wipe dry with a lint free cloth.
  • Avoid storing in direct sunlight, however, if this is unavoidable, apply a rubber cleaner/protectant
  • If the rubber surface appears to be dry, apply a rubber rejuvenator such as Armorall or WD-40 and wipe dry


Afterpay is an online payment service that allows you to pay for your entire order in 4 fortnightly instalments. There is no interest or sign-up fee.

How does Afterpay work?

  1. Place an online order
  2. Choose Afterpay as the payment option
  3. Signup or use your existing Afterpay account
  4. Once approved, SMAI will dispatch your order


  • Orders must be between $55 - $1,000, including shipping and GST
  • If this is your first order with Afterpay, your limit will be around $500
  • Afterpay cannot be used as a payment method over the phone or in-store

Find out more

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