- Four Carbon Fibre carriers and 6 titanium sprockets make this Shimano's lightest 11-speed Dyna-Sys MTB cassette
- Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
- 11-40T wide ratio gearing allows a more efficient use of energy through finer cadence control
- Four separate lightweight carbon fibre carriers reduce weight and increase stiffness giving more precise faster shifts
- 35/31/27/24/21/19T sprockets are all made from Titanium to reduce weight and increase durability
- Sprockets are cut away extensively and drilled to further reduce weight without reducing rigidity
- Nickel-plated finish offers hard wearing resistance to corrosion
- Alloy cassette lockring
- For use with 11-speed SIL-TEC chains
- Drivetrain & Gear Parts
- Cs-M9001 Xtr 11-Speed Cassette 11 - 40T
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