US$ 22.00
supported by a six-sensor system that adjusts assistance smoothly as you pedal
Model: FC-RS520
For gravel or mountain biking
Large platform with option of 4 pins per side
Brake calliper: 2-piston
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
US$ 22.00
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