Deragliatore Posteriore Shimano GRX RX810 2x11 Velocità Ciclocross Strada Bici Manicotto Cambio
Features - GRX RD-RX810 2x11-speed Rear Derailleur. Group: GRX. Silent and uninterrupted rear shifting on rough terrain. Mount Type: Direct Mount. Switch stabilizer ON/OFF to match the terrain. Gear rear: 11-speed.