Shimano SLX M7100 12-Speed 10-51T Cassette

Showcasing Shimano's new revolutionary HYPERGLIDE+ technology, the new 12-speed SLX CS-M7100 Cassette provides improved shifting efficiency up and down the cassette. Paired with the new Shimano MICROSPLINE freehub, you have an incredibly lightweight package that delivers industry leading performance. The high geared 10-speed cog gives you all the speed you need to sprint to the finsih, and a 51T or 45T low gear allows you to effortless ascend the steepest trails. The 51T cassette pairs with a single ring up front while the 45T cassette is compatible with a single or double chainring up front.