Sunrace mx8 11 speed shimano sram mtb cassettethe mx8 cassette is the ideal choice for mountain bike riders who want the simplicity of a 1x11 drivetrain, yet still have a wide range of climbing gears. Offering you great value for money, this sunrace mountain bike cassette enables you to clean up your handlebars and frame by losing the front shifter and mech, all without the expense of an expander sprocket. Features  material alloy   use mtb   speed 11 speed   compatibility shimano, sram 11 speed rear derailleurs  freehub compatibility shimano freehubs      weight 11 46t 485g 11 42t 419g 11 40t 412g  manufacturer's reference codesmetallic silver 11 40t cssrx8140d black chrome 11 42t cssrx8142z metallic silver 11 46t cssrx8146d black chrome 11 46t csmx8.eazr.os1.oe black 11 40t csmx8eaxb silver 11 42t csmx8eaymplease note this cassette has a shimano freehub fitting, so will not fit hubs with sram xd freehubs. Buy sunrace components from chain reaction cycles, the world's largest online bike store.