XTR Long Cage Rear Derailleur 12-speed size-31-8-x-85-mm or 5 fl oz/150 ml

or 5 fl oz/150 ml for medium water level

With Spherical Technology

Ultra Lock Strap

the same high quality

XTR Long Cage Rear Derailleur 12-speed size-31-8-x-85-mm or 5 fl oz/150 mlShimano XTR Long Cage Rear Derailleur 12 speed The XTR M9100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12 speed cassettes boosts range. Details: Enhance shifting performance Optimized for new drive system Silent drivetrain Decreased rear