Manufactured from cold drawn

With a more durable and lighter 6069 alloy and an asymmetric rim shape that balances spoke tension

Materials: Hardened and nickel plated for longevity

Who's this item for: Riders wanting a technical jersey on the bike that's casual enough to wear to the post ride kick-back

Fast Black coating on the damper body provides improved durability and decreased friction

Shimano XTR CS-M9100 12 Speed Cassette - 12 Speed - Shimano Micro Spline - 10-51T - Black - Silver PDP|PLP|Suits Freehub Type Manufactured from cold drawnWith 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