Shimano XTR CS-M9100 12 Speed Cassette - 10-45T

- Lets you pedal continuously while shifting
- Increased acceleration by reducing inertia and weight by Beam Spider construction
- Definitive shifting
- New Micro Spline construction to engage freehub body
- Compatible Chain: CN-M9100
- 12 Speed
- Hyperglide+
- Cassette Ratio: 10-12-14-16-18-21-24-28-32-36-40-45T
- Weight: 365grams

Please note this cassette no longer includes the Y1X401500 spacer, please see SJS cycles part number 50770.