Shimano (Cycling) DEOREXT CS-M8100-12 Cassette Sprocket 10-45T (12S) ICSM8100045

12 speed cassette sprocket of MTB component "DEORE XT" series.
New shift ramp design achieves the fastest and smoothest shift with Hyper Glide +.
Reduction of cassette inertia improves acceleration and strengthens chain maintenance. ■ 10T low sprocket with the latest freehub body configuration
MICRO SPLINE compatible. * Can be used only with MICRO SPLINE compatible hubs, not with conventional freehubs.
Type: Hyper glide +
■ Compatible chain: HG 12-speed
■ Number of teeth configuration: 10-12-14-16-18-21-24-28-32-36-40-45T
■ Reference weight: 461g