Shimano ultegra di2 rd-6770 rear derailleur manual

Even as the lust remains for their first electronic groupset, Shimano hits us with Ultegra Di2. We don"t feel like they"ve muddied the water, only that there"s a value priced option for those of us who couldn"t make the jump to Dura-Ace Di2. This Ultegra Di2 RD-6770 Rear Derailleur offers the same level of RD SHIMANO ULTEGRA - Rear Derailleur - Medium Cage - SHIMANO SHADOW RD - 11-speed Updated with a SHIMANO SHADOW design, the SHIMANO ULTEGRA 8000 rear derailleur offers a sleek appearance and optimized shifting performance. covers: 11-28T to 11-34T; USER'S MANUAL This Ultegra Di2 RD-6770 Rear Derailleur offers the same level of performance as the higher priced unit, and that is exactly why it's so appealing. The difference is mainly one of aesthetics and a few grams here and there. Where Dura-Ace Di2 uses custom servo motors, made exactly to Shimano's Ultegra Di2 uses Shimano's E-Tube (that's the wiring and communication system, based on the CAN bus protocol) which has the potential to allow the shift buttons to be fully customised. Out of the box a single press and hold of a shift button will cause the rear derailleur to move across the entire cassette. Ultegra Di2 uses the same battery as Dura-Ace Di2. However, according to the service manual (PDF), Shimano says the battery is good for about 30 percent fewer kilometers than Dura-Ace's 1000k range. The loss of power is mainly due to Ultegra's larger, less efficient (and less expensive) servo motors. Best shimano rear drailuer for a shimano 11-46t cassette? There is no "best" derailleur for any particular situation. Get one rated to handle the range, at a price you can afford, and that has good reviews. I Would need a RD10885 shimano bail assembly, where is IT available. Related:dura ace 7900 rear derailleur ultegra rear derailleur 10 speed shimano 105 5700 rear derailleur ultegra 6600 rear derailleur rd-6700 ultegra 6700 rear derailleur long cage 2 product ratings - Shimano Ultegra RD-R8050-GS Di2 Rear Derailleur - 11-Speed, Medium Cage, Black. Shimano Parts ? The Shimano Ultegra Di2 RD-R8050-GS rear derailleur features the group-specific sleek integrated appearance. Shimano's Synchronized Shift technology adds two shifting modes to the standard manual one, in which front and rear derailleur were controlled independently from each item 2 SHIMANO ULTEGRA Di2 11 SPEED REAR DERAILLEUR RD-6870 SS. Shimano 105-R7000-GS 11-speed Long Cage Road Bike Rear Derailleur.