With its BEAM SPIDER construction, the XTR M9100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51T cassettes deliver the best MTB shift experience on offer.
Let you pedal continuously while shifting
Increased acceleration by reducing inertia and weight by BEAM SPIDER construction
New MICRO SPLINE * construction to engage FREEHUB body
HYPERGLIDE+ HYPERGLIDE+ drivetrain’s redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain.
Benefits & Features
Better chain engagement, stronger retention, and smoother pedaling provide greater power and confidence over rapidly changing terrain.
Definitive up & down shifting in both directions boosts riders concentration and acceleration.
Ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress.
A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of MTB riding styles, abilities and preferences.
MICRO SPLINE MICRO SPLINE delivers lightweight aluminum FREEHUB body to reduce weight and 10 teeth top gear. Use combination with MICRO SPLINE cassette sprocket and FREEHUB. * MICRO SPLINE patents are pending
Benefits & Features
Lightweight aluminum MICRO SPLINE FREEHUB seamlessly integrates with small 10-tooth top gears.
Smaller and more widely distributed splines limit cog damage on lightweight aluminum FREEHUB.
1 reviews for Shimano XTR CS-M9100-A cassette 12-speed with an average rating of 5/5 points.
Best cassette you'll ever buy Quite simply the best cassette i have ever had on a bike, the shifting is so smooth even under power and the range of gears is all you will ever need,seems to be lasting well too ★★★★★ Barry McCormack