Take an Extra 10% Off items marked with the 10% OFF Sales Badge!


Shimano XTR CS M9100 12 Speed Cassette

This item does not qualify for additional discounts
This item does not qualify for additional discounts



14 items left

The Shimano CS-M9100-12 12 Speed Cassette 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-M9100
It’s quicker, smoother and you can continuously pedal while shifting under load!

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

Use: MTB
Group: XTR M9100
Model: CS-M9100-12
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 (10-45 349g) (10-51 359g)

Shimano Item # • UPC
10-45 Tooth • ICSM9100045
UPC : 689228879584

10-51 Tooth • ISCM9100051
UPC : 689228879591

10-45T w/Spacer • ICSM9100045A
UPC : 192790505138

10-51T w/Spacer • ICSM9100051A
UPC : 192790505121

Original Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity.