Shimano GRX RD-RX810 2x Rear Derailleur bikebox There are 2 HD elastic

There are 2 HD elastic loops inside for stowing a multi tool and a CO2 canister leaving plenty of room for a spare tube and tyre levers

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

weekend spins and long-distance road cycling

Available as a 150mL tube

and further inboard from mechanical Eagle

Shimano GRX RD-RX810 2x Rear Derailleur bikebox There are 2 HD elasticSHIMANO 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