Deore M5100 11-Speed cassette featuring light weight minimal design sprocket carrier Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy through finer cadence control Sprockets are cut away and drilled to reduce weight without reducing rigidity For 11-speed HG-EV MTB chains Speed 11 Speed
