The HG cassette sprocket, originally developed for the MTB 10-speed system, underwent extensive optimization to achieve exceptionally efficient shifting. Features: Deore M5100 11-Speed cassette featuring light weight minimal design sprocket carrier Sprockets are cut away and drilled to reduce weight without reducing rigidity For 11-speed HG-EV MTB chains Cassette Range: 11-13-15-17-19-21-24-28-32-37-42T Cassette Range: 11-13-15-18-21-24-28-33-39-45-51T.
