- These rear sprockets are black anodized and made from 7075-T6 billet aluminum (1/3 the weight of steel).
- CNC-machined for maximum fit accuracy and long-lasting durability.
- 520 series, anodized black finish.
Installation note: Sprocket sizes other than stock are for closed-course competition only. Changing the final drive ratio affects exhaust emissions and also affects speedometer readings.