The Shimano CS-M9101 is the suitable cassette for new XTR 12-speed group. Hyperglide is your new best friend! Fast shifting, power transfer and stability like you’ve never experienced. How do you make it it lighter, more durable and more rigid, lesson number one: use alloy, steel and titanium together.
Most versatile MTB group for cross country, marathon and enduro racers: Shimano XTR 12-speed cassette CS-M9101 
It’s quicker, smoother and you can continuously pedal while shifting under load!
Features - Shimano XTR CS-M9101 12-speed Cassette


Gearing options

10-45T (12-speed rhythm step spec for Cross Country)
10-51T (12-speed wide range spec for Enduro)


Hyperglide 30% quicker shifting
Material Titanium, aluminium & steel
BEAM SPIDER construction Increased acceleration
Compatibility 1x or 2x chainring systems

Product features

Use: MTB
Group: XTR M9100
Model: CS-M9101-12
Type: Hyperglide
Gear: 1x12-speed / 2x12-speed
Compatible chain: CN-M9100 12-speed

Gradation (choose variant)

10-45 (10-12-14-16-18-21-24-28-32-36-40-45 teeth)
10-51 (10-12-14-16-18-21-24-28-33-39-45-51 teeth)

Material


Aluminium spider arm
Titan (5 spockets)
Aluminium (3 spockets)
Steel (4 sprockets)
Aluminum lock-ring

Weight


approx. 357g - 10-45 (manufacturer information)
approx. 367g - 10-51 (manufacturer information)


Scope of delivery

1 x Shimano XTR 12-speed Cassette CS-M9101 incl. Lock Ring Aluminum


Technologies
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. 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.

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.

HYPERGLIDE will help kickstart the next generation of mountain bike riding by introducing continuous pedaling over virtually any terrain. This revamped drive system and dedicated chain deliver fast shifting, efficient power transfer and chain stability like you’ve never experienced before. It helps riders adapt to drastically changing trail conditions by precisely judging the optimal shifting moment for consistently smooth operation. HYPERGLIDE helps riders seamlessly maneuver rough trails by reducing pedaling shock and cutting shifting times by a 1/3. (vs. current HG system).
Shimano XTR M9100

First ride impression XTR M9100