SHIMANO GRX Di2 ST-RX825 + BR-RX820 2-SPEED DISC BRAKE LEFT over-2500 supported by a six-sensor system

supported by a six-sensor system that adjusts assistance smoothly as you pedal

Giant instant engagement freehub with 42CrMO 60-tooth ratchet driver with Diamond-Like-Coating utilizes durable flattened coil spring to deliver immediate and efficient power transfer

Measures: 26 cm x 11 cm x 10 cm

Model: FC-RS520

SHIMANO GRX Di2 ST-RX825 + BR-RX820 2-SPEED DISC BRAKE LEFT over-2500 supported by a six-sensor systemIt can be a real challenge to brake safely and shift gears precisely on gravel bikes due to the high speeds, different surfaces and often unpredictable routes. With the combination of the GRX Di2 ST RX825 electric shift brake lever and the matching BR RX820 brake calliper, Shimano brings comfort and control together so that you can master any unforeseen situation on your gravel bike. Features Wireless Di2 Connectivity Clean cockpit: Wireless