For riding on smooth surfaces, this rear derailleur features an ON/OFF switch for the chain tensioner. SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 34T Max Low S procket - 11-speed. SHIMANO SHADOW RD+ technology.
Brand New Shimano GRX RX810 2x11-Speed Gravel/Road Brake Set/Groupset Optional
SHIMANO GRX RX600 2x11-speed Road Bike Groupset RX810 Front Rear Derailleur
Shimano GRX RX600 2x11 Hydraulic Shifters Brake Levers 11-Speed
Shimano GRX ST-RX810 Levers/BR-RX810 FM Calipers-2x11-Left Rear
Shimano GRX ST-RX600 Shift/Brake Lever ST RX600 LEFT Disc Brake 2x11 Speed
Shimano Grx Rx810 11 Speed Hydraulic Mechanical Shifter Set 2x11 750/1400mm
