SHIMANO Dérailleur Arrière 11v DI2 GS RD-R8000 Ultegra

The additional range afforded by the longer cage opens up the Ultegra group to adventure bikes and brings the precision, durability, and value to the masses. Capacity: [short] 35t, [long] 39t The RD-8000 is the crowning jewel on the new Ultegra group, and if you are building up or updating a bike, you really can't do wrong with this group. The shifting is impeccable, the durability is immaculate and the performance gap to Dura-Ace is about a tire width's margin in a bunch sprint. Road 11-speed Shadow-style short cage rear derailleur in SS /GS models Cage length determines overall cassette range, SS up to 11 -30, GS to 11 -34 Compact, close to frame derailleur design protects cage and assembly from damage, optimized slant angle imp Shimano Wireless Unit SHIMANO Dérailleur Arrière 11v DI2 GS RD-R8000 Ultegra Ultegra 11 Speed Rear Derailleur Another advantage of the Shadow design is the more linear path of the derailleur when shifting, which allowed the engineers at Shimano to create a shifter with a shorter throw resulting in more precise and quicker shifts--even with the larger cassette ranges we're beginning ride on everything from tarmac to gravel. We are happy to see Shimano continuing with a barrel adjuster at the derailleur. Road shifters don't have adjusters at the levers lik... Material: alloy Two cage lengths are available with cassette ranges from 11-30t (short) and 11-34t (long). Cassette Range: [short] 11-30 t, [long] 11-34 t Gearing: double Shimano has used Shadow technology for years on its mountain bike rear derailleurs.