Shimano CS-M9101-12 Cassette - 12-Speed 10-51t Black/Gray Micro Spline CheckoutSpec= 1.5 x 172mm 95 Defined Color Silver

95 Defined Color Silver

Tire Insert air flow system keep air moving freely and compatible with most tire foam inserts

Durable heat-dissipating CNC machined aluminum construction

Tubeless kits for Zipp rims

and newly-sourced materials for the best puncture protection possible

Shimano CS-M9101-12 Cassette - 12-Speed 10-51t Black/Gray Micro Spline CheckoutSpec= 1.5 x 172mm 95 Defined Color SilverShimano CS M9101 12 Cassette 12 Speed 10 51t Black Gray Micro Spline. Shimano 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. Compatible with Shimano Hyperglide+ chains Hyperglide+ technology offers better chain engagement stronger retention and smoother pedaling for