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