Shimano M8100 XT 10-51 12 Speed Micro Spline Cassette
- High performance 12-speed Micro Spline MTB cassette
 - Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
 - Close ratio gearing allows a more efficient use of energy through finer cadence control
 - Largest sprockets are mounted on lightweight alloy carriers to reduce weight and increase rigidity
 - Sprockets are cut away and drilled to further reduce weight without reducing rigidity
 - 10-45T or 10-51T wide ratio gearing allows a more efficient use of energy through finer cadence control in ever changing trail conditions
 - Chrome-plated finish offers hard wearing resistance to corrosion
 - Alloy cassette lockring
 - For use with 12-speed MTB chains