Shimano Dura Ace Di2 Shadow E-Tube DM Rear Derailleur 12s & Max 34t Black

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 Sprockets Brings New Versatility To The World´s Best Road Component Group.

Features:

– Fastest Ever Rear Shifting, 58% Faster Than Rd-R9150
– Compact Design Includes An Integrated Wireless Unit, Charger, And Switch
– Led Status Indicator Battery Indicator Pairing Adjust Mode, Etc.
– Wider Range Capacity Max. Low Sprocket: 34t
– Cfrp Rear Derailleur Plate

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