DISC BRAKE ASSEMBLED SET/J-KIT, GRX, ST-RX815(R), BR-RX810(R) Di2, W/O ADAPTER, FOR 25MM MOUNT, RESIN PAD(W/FIN), SM-BH90 BLACK / SHIMANO
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Designed for high performance gravel riding, the GRX Di2 groupset delivers precise, fast shifting with wide gear range compatibility and easy adjustments. The GRX hydraulic disc brakes provide powerful and responsive braking to help you negotiate more demanding terrain.
Speeds: 2 x 11