SHIMANO ULTEGRA Rear Derailleur IRDR8000GS RD-R8000-GS (11S)

ROAD component "ULTEGRA" grade rear derailleur. Uses Shimano Shadow RD design with a low profile. Compatible with 11-speed road bikes. Rear compatible speed: 11-speed; Compatible chain: HG-EV11 / HG-X11; Compatible low sprocket (min/max): 28/34T Compatible top sprocket (min/max): 11/12T; Total capacity: 39T; Maximum front tooth difference: 16T; Average weight: 210g SHIMANO Rear Derailleur ROAD component "ULTEGRA" grade rear derailleur. Supports up to 34T on the low side.