261
This Shimano cassette features four carbon fibre carriers and 6 titanium sprockets to 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 shifts35/31/27/24/21/19T 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 rigidityNickel-plated finish offers hard wearing resistance to corrosionAlloy cassette lockringFor use with 11-speed SIL-TEC chains