Shimano GRX RD-RX810 2x Rear Derailleur bikebox the rear one also exploits

the rear one also exploits many developments achieved for its mechanical 12-gear predecessor

Available as a 150mL tube

Since the actual wrap of the tape can be as important as the tape itself

shock resistance and dimensional control

and its unique design is compatible with both aero and round-section handlebars

Shimano GRX RD-RX810 2x Rear Derailleur bikebox the rear one also exploitsSHIMANO 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