GRX Di2 ST-RX815 / BR-RX810 Bicycle Tires The central piece of the

The central piece of the smart light SYNC system

Fits all hybrid and MTB bars

Spring loaded for ease of use

body armors or any soft material which comes into contact with the rider

25 M5 Flat Washer

GRX Di2 ST-RX815 / BR-RX810 Bicycle Tires The central piece of theGRX Di2 ST RX815 11 speed shifters brake levers and flat mount BR RX810 hydraulic calipers Anti slip brake lever increases control on bumpy terrain Raised brake lever pivot point increases leverage from the hoods Adjustable free stroke and lever reach ServoWave action reduces freestroke and progressively increases brake leverage Compatible with 11 speed Di2 GRX and road derailleurs Forged aluminum BR RX810 calipers Pre assembled with SM BH90 JK SSR