Shimano GRX RD-RX810 Rear Derailleurs Road po-rab2acc-126 Toss it in your pack

Toss it in your pack and hit the trails or the backroads

The most versatile medium flex for all riding situations

Designed with comfort and style in mind

It’s comfy and cool and comes with Atomic Aircon

this board is your first step towards trying to emulate Kazu’s legendary riding style

Shimano GRX RD-RX810 Rear Derailleurs Road po-rab2acc-126 Toss it in your packGRX 11 speed rear derailleur for double cranks Adjustable chain stabilizer prevents chain slapping and drops Gravel tuned clutch tension can be toggled ON OFF to match the terrain Maximum front difference: 17T Total capacity: 40T Low sprocket: Max. 34T Min. 30T Top sprocket: 11T Attributes Max Front Difference 17T Maximum Cog 34T Minimum Cog 11T Primary Color Grey Cage GS RD Capacity 40T RD Spring Type Shadow Plus RD Weight 255g Speed 11 Mount Standard