Shimano XTR CS-M9101 12 Speed Cassette Size:10-45 Now you can quickly and

Now you can quickly and accurately determine the wear and stretch of any chain with the Park Tool Chain Checker

Replaceable rubber base

Type 2 foam: progressive cushioning

Glyceryl Stearate

Compatible with Shimano Di2 Bar End Type Junction (EW-RS 910)

Shimano XTR CS-M9101 12 Speed Cassette Size:10-45 Now you can quickly andWith its BEAM SPIDER construction, the XTR M9100 12 speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10 45 and 10 51T cassettes deliver the best MTB shift experience on offer. FeaturesDefinitive shiftingLet you pedal continuously while shiftingIncreased acceleration by reducing inertia and weight by BEAM SPIDER constructionNew