Shimano GRX RD-RX812 Rear Derailleur (Black) (1 x 11 Speed) (Long Cage) (Shadow Plus) - IRDRX812
Shimano GRX RD-RX812 Rear Derailleur (Black) (1 x 11 Speed) (Long Cage) (Shadow Plus) - IRDRX812, The Shimano GRX FD-RX812 rear derailleur features an integrated chain stabilizer to keep the shifting smooth and precise over a variety of terrain. Features: Adjustable chain stabilizer prevents chain slapping and drops Switch stabilizer ON/OFF to match the terrain Gravel-tuned clutch tension Specifications: Weight: 267g Capacity: 31T Max Low: 42T Speed: 1x11