Shimano 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 greater power and confidence over rapidly changing terrain Micro Spline technology delivers lightweight aluminum freehub body to reduce weight and utilize a 10 tooth top gear Cassette Body Type: Shimano Micro Spline Cassette Cogs: 10-12-14-16-18-21-24-28-33-39-45-51 Color: Black/Gray Defined Color: Black Defined Color: Gray Designed for ebike: Yes Drivetrain Speeds: 12 Range: 10-51 Weight: 367