Shimano (Cycling) GRX RD-RX815 (Di2) 11s Real Derailleur IRDRX815

Di2 shadow rear derailleur plus of the gravel / adventure component "GRX815" series.
Equipped with a chain stabilizer that is effective to prevent the chain from falling off.
■ Clutch tension adjusted for gravel.
Rear compatible speed: 11-speed Shift type: Di2 Electric
■ Compatible chain: HG-EV11 / HG-X11
Corresponding low sprocket (minimum / maximum): 30 / 34T
■ Corresponding top rocket (min / maximum): 11 / 11T
Total capacity: 38T
■ Difference in maximum number of front teeth: 17T
■ Average weight: 287g