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FRONT CHAINWHEEL, FC-R9100, DURA-ACE, HOLLOWTECH2, FOR REAR 11-SPEED,172.5MM, 52X36T, W/O BB

$594.99

Crank arm length: 165, 167.5, 170, 172.5, 175, 177.5, 180mmRider tuned gearing options4-arm construction cranksetNew designed crank armIconic designRedesign the gear teeth profile to fit wider gear pitchHOLLOWGLIDEBest balance for lighter weight (-7g) and efficiency50-34T/53-39T/54-42T/55-42T/52-36TShorter length of rear center with O.L.D.135mmGear combination: 50-34T, 52-36T, 53-39T, 54-42T, 55-42TOptimum power transferAdapted for...

FRONT CHAINWHEEL, FC-R9100, DURA-ACE, HOLLOWTECH2, FOR REAR 11-SPEED,172.5MM, 52X36T, W/O BB BTI

FRONT CHAINWHEEL, FC-R9100, DURA-ACE, HOLLOWTECH2, FOR REAR 11-SPEED,172.5MM, 52X36T, W/O BB