Shimano Ultegra Di2 R8 Front Derailleur

Features:

– Quick and smooth front shifting under high pedaling torque
– Programmed control of chain guide
– SHIMANO Synchronized shift
– Full and semi synchronized shifting program
– Redesigned to fit wider gear pitch without sacrificing shifting
– Shorter length of rear center (410mm) with O.L.D. 135mm
– System communication with rear derailleur, Programmed control of chainguide works for minimal chance of chain drop

Specifications:

– Top Gear Teeth: 46-53T
– Chain Stay Angle: 61-66
– Chain Line: 43,5
– Average Weight: 132g

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