Shimano CS-M9101-12 Cassette - 12-Speed 10-45t Black/Gray Micro Spline MPFN-TB00017700 Low Battery Indicator

Low Battery Indicator

The Surly Steamroller

For use only on frames designed for the Alternator Flat Mount standard

} Vibrocore inner well reduces the transmission of harmful vibration frequencies

24mm chromoly spindle

Shimano CS-M9101-12 Cassette - 12-Speed 10-45t Black/Gray Micro Spline MPFN-TB00017700 Low Battery IndicatorShimano CS M9101 12 Cassette 12 Speed 10 45t Black Gray Micro Spline. 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