CS-M7100 XT M8100 12 Speed Sprocket Compatible with Shimano 10-45T Cogs Mountain Bike Freewheel Bike Micro Spline Cassette

CS-M7100 XT M8100 12 Speed Sprocket Compatible with Shimano 10-45T Cogs Mountain Bike Freewheel Bike Micro Spline Cassette

Designed with Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub 10-51T wide range 12-speed gear combination Provides better chain engagement, stronger retention, and smoother pedaling with greater power and confidence over rapidly changing terrain Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security Advanced shifting performance provides the confidence to enjoy any trail Note: 12 Speed Cogs ALL is Micro Spline ！！！
Please confirm carefully before purchasing

Description M7100:
Model:M7100 10-45
Speed:12 Speed
For Rear Derailleur: 12 Speed
Description M8100:
Model:CS-M8100-12
Compatible Chains: HG 12 Speed

Package Including:
1PC M7100 10-45T / M8100 10-45T (you need to choose)