The hitch adapter will enable you to attach the bike trailer to almost any kind of bike with a 12 mm rear axle. The Hamax Universal axle universal has 4 different spacers and 3 different studs. It will therefore be easy to find the right combination for your bikes frame.Fits bikes which use thru-axles with the following thread:M12xP1.0-SYNTACEM12xP1.5 SHIMANOM12xP1.75-SRAMThis axle fits:142 mm M12xP1.0 mm142 mm M12xP1.5 mm142 mm M12xP1.75 mm148 mm M12xP1.0 mm148 mm M12xP1.5 mm148 mm M12xP1.75 mm