Shimano XTR CS-M9101 12 Speed Cassette Size:10-45 This compound provides the performance

This compound provides the performance benefits required for competitive

Many endurance athletes target 60–90g of carbohydrates per hour

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ensures breathtaking acceleration

Every component is designed and realized to interact at one with the remaining components

Shimano XTR CS-M9101 12 Speed Cassette Size:10-45 This compound provides the performanceWith its BEAM SPIDER construction, the XTR M9100 12 speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10 45 and 10 51T cassettes deliver the best MTB shift experience on offer. FeaturesDefinitive shiftingLet you pedal continuously while shiftingIncreased acceleration by reducing inertia and weight by BEAM SPIDER constructionNew