Product Description
GRX 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 high power hose
Includes L03A resin pads with improved wear resistance