Shimano Dura Ace Di2 RD-R9250 12 Speed Rear Derailleur

Product Description

With our fastest shifting ever across the widest range of ratios offered by the new Shimano Dura Ace groupset, the RD-R9250 rear derailleur will help you win races or break personal records.The Dura Ace RD-R9250 rear derailleur integrates the system's charging port and a wireless connectivity unit, while offering ultra-fast, precise shifting. A single clevis length compatible with large sprockets from 28 to 34 teeth brings new versatility to the world's best road groupset.Product highlights Our fastest rear shifting: 58% faster than the RD-R9150 rear derailleur. Compact design includes integrated wireless unit, charger and switch. LED status indicator for battery, pairing, adjustment mode... Larger capacity: from 28 to 34 teeth. Carbon-reinforced composite rear derailleur clevis.Details : 12-speed compatible Min. gearing: 11 teeth Max. toothing: 34 teeth Total capacity: 37 teeth Weight: 215 g