REAR DERAILLEUR RD-RX810 GRX 11-SPEED SHADOW PLUS DESIGN DIRECT ATTACHMENT 2×11

GRX 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