XTR CS-M9101-12 Cassette 12-Speed 10-51t size-27-5-x-2-40 Please refer to the size

Please refer to the size chart for conversion

Customize Your Comfort: Use the cinch cord to tailor the firmness and support to your ideal comfort level

Turn your bike into a touring or commuting machine with the BackRack Lightweight Rack

Keep your hands warm and don't lose your grip

Three different walk modes

XTR CS-M9101-12 Cassette 12-Speed 10-51t size-27-5-x-2-40 Please refer to the sizeShimano XTR CS M9101 12 Cassette 12 Speed 10 51t Black Gray Micro Spline ICSM9101051 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