RD-R9250 REAR DERAILLEUR RD-R9250 REAR DERAILLEUR DURA-ACE Di2 12-SPEED accessories Chain: KMC Z510

Chain: KMC Z510

ICETOOLZ Chain Tool - 5 to 12 Speed Chains

Compatible with tires up to 29x2

it's got maximum cooling on its mind and is our most aerodynamic and closest-to-body fit - perfect for going as fast as humanly possible on any trail

It's built to race with geometry that keeps you comfortable on the climbs and perched for the attack

RD-R9250 REAR DERAILLEUR RD-R9250 REAR DERAILLEUR DURA-ACE Di2 12-SPEED accessories Chain: KMC Z510SKU Description Our fastest ever rear shifting, 58% faster than RD R9150 LED status indicator Battery indicator Pairing Adjust mode, etc. Wider range capacity Max. low sprocket: 34T CFRP rear derailleur plate Product Description The DURA ACE RD R9250 integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length that is compatible with 28 34T low