Shimano XTR CS-M9100 12 Speed Cassette - 12 Speed - Shimano Micro Spline - 10-51T - Black - Silver YGroup_7034079674413 dropped chains are still a

dropped chains are still a concern for all riders

8mm and 35mm clamp diameters available

DWR Coating

Mountaineering-inspired adjustable closure for the perfect fit

If your receiver-mounted bike carrier does not lock to your car's square receiver

Shimano XTR CS-M9100 12 Speed Cassette - 12 Speed - Shimano Micro Spline - 10-51T - Black - Silver YGroup_7034079674413 dropped chains are still aWith 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. FEATURES: Definitive shifting Lets you pedal continuously while shifting Increased acceleration by reducing inertia and weight by BEAM SPIDER construction