BMX bike chain tension bolt-Shimano GRX RX820/RX820 Right Shift Lever and Rear Brake Set

The Shimano GRX 820 Shifter and Brake set provides powerful and reliable rear braking and shifting on your favorite gravel bike. It is for riders who want to run a 12-speed system on their gravel bike for a huge range of gearing. The 820 Lever is designed for ergonomic hand placement while you ride, featuring reach adjust features and an anti-slip texture. It is also perfect for use with flared bars which lots of gravel riders prefer. It pairs with an RX820 flat mount disc brake which delivers reliable and powerful stopping thanks to two pistons and a hydraulic system. The brake also has excellent heat dissipation which is ideal for mixed terrain riding. The Shimano GRX 820 Shifter and Brake set upgrades your gravel bike to the highest standard of 12-speed performance.