Shimano GRX RD-RX810 2x Rear Derailleur BF New Valve type: Presta

Valve type: Presta

so if you’re after the best commuter bike light of 2020 look no further

triathlon and criteriums

Wide rims optimize tire profile to allow lower tire pressure

wet and dry conditions

Shimano GRX RD-RX810 2x Rear Derailleur BF New Valve type: PrestaSHIMANO GRX Rear Derailleur SHIMANO SHADOW RD+ 34T max low sprocket 2x11 speed. Compatible with road cassettes with a 34T low sprocket max. Features SHIMANO SHADOW RD+ (11 speed) Adjustable chain stabilizer prevents chain slapping and drops Switch stabilizer ON OFF to match the terrain Gravel tuned clutch tension Silent and uninterrupted rear shifting on rough terrain Smooth and reliable mixed surface shifting Specifications Compatible with current