Box Prime 9 Groupsets

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Includes cassette, derailleur, shifter and chain Single shift options are for eMTB to keep the user from shifting multiple gears under load, significantly reducing the rate of bent teeth and broken chains Cassette fits HG splined Shimano/SRAM 8-10sp freehubs Model Box Four Prime 9, Box Three Prime 9, Box Two Prime 9 Speed 8, 9 Range 11-42t, 11-50t Freehub Type HG (8-11sp) Shifter Multi Shift, Single Shift Color Black Show more