

OZ Motorbike
OZ Motobike GASS RS-A Aluminum 6 Spokes Rear Wheel '15-'21 Yamaha R1/R1M
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OZ Motobike GASS RS-A Aluminum 6 Spokes Rear Wheel '15-'21 Yamaha R1/R1M
The new GASS RS-A is the lightest street DOT forged aluminum wheel that OZ makes. Not only is it lighter than the Piega forged aluminum wheel, it is lighter on the outer rim where it makes the most difference.
As a weight comparison, on a 2015 Yamaha R1 with OEM "lightweight" magnesium wheels:
The OZ Piega, saves per set compared with the R1 OEM mag wheels: 1,3 kg
The OZ Gass RS-A, saves per set compared with 1 OEM mag wheels: 2,05 kg
FEM (finite element method) designed to minimize weight and increase strength and rigidity.
Reduced wheel weight decreases the moment of inertia which results in quicker acceleration and braking, lowers un-sprung weight and gyroscopic effect to provide quicker turn-in and more positive handling.
Specially treated billet aluminum alloy is bi-directionally forged, resulting in a more uniform and stronger metal structure.
Heat treating, shot peening and CNC finishing are done in house resulting in an extremely lightweight and rigid wheel.
Included parts: bearings, aluminum angled valve stems, axle spacers (as applicable)
Note: Double sided swingarm bikes require a rear sprocket specifically for OZ Motorbike Wheels such as AFAM Drive Systems or Driven Racing
Returns & Exchanges
If you are not completely satisfied with your purchase, you may return the item within 30 business days of receipt. While we offer a hassle-free return policy, some non-defective items may be subject to a 15% restocking fee.
Returned items must be:
- New and unused
- In original condition
- In the manufacturer’s original packaging
- Include all tags
Returns due to manufacturer defects will be accepted only if the customer provides photographic evidence showing the issue was not caused by misuse.
Non-Returnable Items
- Electrical components
- Special or made-to-order items
- Windscreens
- Bodywork
- Carbon fiber parts
- Closeout items
- Used parts
Customers are responsible for all return shipping costs.
Once your return is received and inspected, refunds will be processed within 24–48 hours to the original payment method (minus shipping fees). Please allow an additional 2–8 business days for the refund to appear on your account.
Before returning any item, please contact us at support@motostarz.com or call 1-604-370-4899 to obtain a return authorization number. This number must be clearly marked on both the inside and outside of the package.


