Shimano Rear Derailleur Pulley Set SHIMANO DURA-ACE Di2 R9270 Hydraulic Disc Brake Groupset 2x12 Speed Shimano Dura Ace Rd R9250 Hydrothermal Synthesis Autoclave Reactor w/PPL Lined Vessel Lined 50 mL / 1.69 fl oz ; Max Pressure: 3MPa ; Leak-Free Seal ; Max Temp: 280 In particular, the Dura-Ace RD-R9250 Di2 Rear Derailleur leaves us ready to cross finish lines first and beat out our best times and climbs. Dura Ace 12 Speed Front Derailleur FD-R9250b | Winter Park Cycles - Winter Park Cycles Shimano's refinements of the latest Dura-Ace Di2 group impress upon us the brand's need for speed, reliability, and performance. Compatibility: Shimano Dura-Ace Di2 We can expect faster and more precise shifting, and all over a 11-34t range cassette. We can expect shifting to happen more quickly and with less effort with this rear derailleur. Shimano Dura-Ace Di2 RD-R9250 Rear Derailleur (Black) (12 Speed...
