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The Shimano Dura-Ace R9150 Di2 road groupset delivers unparalleled performance, highly-refined ergonomics and immense customization to maximize every rider’s potential. The ergonomically-enhanced Di2 shift levers now produce a more defined shift click for a more intuitive feel and quicker shifting operation.

This Shimano Dura-Ace R9150 complete kit includes: Shimano Dura-Ace R9100 cranks, bottom bracket, brake calipers, cassette and chain; Shimano Dura-Ace R9150 Di2 front derailleur, rear derailleur and dual control shift/brake levers; Shimano rotors; Shimano Di2 Junction A and Junction B units, internal battery and holder, battery charger and all the wires to link the units and battery together.