Shimano XTR 12-Speed MTB Cassette Sprocket

With 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 Let you pedal continuously while shifting Increased acceleration by reducing inertia and weight by BEAM SPIDER construction - New MICRO SPLINE * construction to engage FREEHUB body PRODUCT SPECIFICATIONS - MODEL NO CS-M9101-12 - SERIES XTR M9100 Series - Average weight 357 (10-45T) 367 (10-51T) - Combination 10-12-14-16-18-21-24-28-32-36-40-45T | 10-12-14-16-18-21-24-28-33-39-45-51T - Combination name (Group name) 10-45T 10-51T - Type HYPERGLIDE+ - Compatible chain HG 12-speed - Rear speeds 12 - Aluminum gear_QTY (pcs) 3 - Aluminum spider arm_QTY (pcs) 1 - MICRO SPLINE ✔ - Steel gear_