Keep all bikes ready for trailering with extra hitches.Threads onto left side of existing wheel"s quick release (QR) or nutted axleSpaces forged hitch out away from interfering dropoutsWorks with carbon frames, internally geared hubs and hooded dropoutsStays attached to bike when trailer is not in useAll current Burley trailers include a quick release standard hitchBicycles with Breezer-style dropouts require use of alternative hitches