Shimano Dura Ace Di2 R9150 Rear Derailleur
Shop:
probikekit.co.uk
Product ID:
50965504
Description:
Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency. Key Features: Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift Synchronized Shift designed, developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleu