The Warp 9 crown will allow you to modify the torque of your SUR-RON Ultra Bee . The larger the crown size, the greater the torque , but the lower the top speed will be. If you change your crown size , consider changing your chain (520) .
- Made from 7075T6 aluminum
- Lower weight than other sprockets on the market
- High quality finish
- Made from design to finish in the WARP 9 factory in the USA