Cassette SHIMANO XTR CS-M9101-12 12-speed 10-51D

With its BEAM SPIDER construction, the XTR M9100 12-speed cassette cuts weight, while increasing SHIMANO's MTB developments another gear. Featuring SHIMANO's new MICRO SPLINE freehub rear hub body and HYPERGLIDE+ tooth profile, these 10-45 and 10-51D cassettes provide the best MTB shifting on the market.