SHIMANO GRX ST-RX820+BR-RX820 2-SPEED DISC BRAKE LEFT ebike-over-2500 Communicates wirelessly with your trainer

Communicates wirelessly with your trainer

Versatile mounting solution for Bosch PowerTube batteries with cable-side orientation (BBP2XX)

Sram partnered with Maxima to create a mineral oil designed for use with the DB8 Brake

Model: CS-M4100

SHIMANO GRX ST-RX820+BR-RX820 2-SPEED DISC BRAKE LEFT ebike-over-2500 Communicates wirelessly with your trainerGravel riders demand braking systems they can trust on unpredictable terrain. The Shimano GRX 2 speed ST RX820 STI paired with BR RX820 Flat Mount hydraulic disc caliper delivers exceptional stopping power when you need it most. Whether tackling steep descents or navigating technical sections, this setup provides the control and modulation to keep you confident and safe. The 2 speed shifter lets you manage your gearing efficiently across varied