Shimano CS-M9101-12 Cassette - 12-Speed 10-45t Black/Gray Micro Spline Model=Zot Headlight Optimal size-specific surface area Color

Optimal size-specific surface area Color Navy Pedal Type Platform Weight 321 Pedal Spindle 9/16" Pedal Body Material Composite Spindle Material Chromoly Defined Color Blue Size Small

stroke-specific bottom-out bumper accommodates the range of stroke lengths

Lightweight-design steel rings

If the serial number begins with 21H05 or 21H06

Shimano CS-M9101-12 Cassette - 12-Speed 10-45t Black/Gray Micro Spline Model=Zot Headlight Optimal size-specific surface area ColorShimano 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