Shimano XTR 12-Speed MTB Cassette Sprocket ZOH Thanks to its lower center

Thanks to its lower center of gravity below your top tube

- Assist mode

• Flashing modes emit powerful lightning-like flashes to highlight your presence in broad daylight

and 10-Series headsets

Shimano XTR 12-Speed MTB Cassette Sprocket ZOH Thanks to its lower centerWith 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