Shimano GRX Di2 RD-RX827 Rear Derailleur 12 Speed BF New Smaller gear steps for cadence

Smaller gear steps for cadence control on mixed-terrain riding

Tough enough to tackle any ride

This is unrivaled shifting performance

Designed and conceived for those who enjoy adventure on all types of surfaces

Shimano GRX Di2 RD-RX827 Rear Derailleur 12 Speed BF New Smaller gear steps for cadenceWith components specifically designed for 1x12 speed drivetrain systems, the GRX series is celebrating its debut in the completely wireless shifting segment. The focus is on the RD RX827 rear derailleur, which is based on the wireless models of the XTR M9250 series. The 1 speed concept is complemented by the BL RX825 brake lever and the WH RX810 wheels. Equipped like this, gravel athletes can experience what ultimate reliability means on any terrain