Magura's Shiftmix 4 adapters, part of their MatchMaker series, are designed for use with an I-Spec EV compatible shifter on the right side of your Magura brake. They are compatible with a wide range of Magura brakes, including MT8, MT7, MT5, MT4, MT Thirty, MT Sport, MT eSTOP, MT Trail Sport, MT C5, and MC models.