Shimano CS-M9101-12 Cassette - 12-Speed, 10-45t, Black/Gray, Micro Spline 2015 The aluminum material contributes to

The aluminum material contributes to the pedals' durability and resilience to the challenges of trail riding

Constructed with Shimano's Hollowtech II technology

combining a tubeless-ready design with Pirelli’s SmartEVO compound for confident grip in all conditions

The bike also features Bontrager Speed Limit integrated brakes and Race Lite aero levers for responsive braking

Affordable and reliable derailleur is great for repairs and upgrades

Shimano CS-M9101-12 Cassette - 12-Speed, 10-45t, Black/Gray, Micro Spline 2015 The aluminum material contributes toShimano XTR CS M9100 cassette features better chain retention and ground clearance. This cassette is built with a strategic application of aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability.