Derailleur Hanger XLC, DriveTrain Bike. XLC is a young, international brand on a high technical level. We offer bike components accessories for every area of useh. 2003 The brand XLC is introduced for the first time in the basic equipment for bikes of the brands Haibike and Winora, especially handle bar, stem units and seat posts.As from 2005 the brand XLC (property of the Accell Group) is given in the care of the Winora Group (subsidiary of the Accell Group) übergeben.XLC goes worldwide. XLC products benefit from our know-how from 100 years bike manufacturing. They must pass strictest tests in everday use before they are at last allowed to let bikers' herts beat faster. XLC parts and accessories stand for functionality, fashion, comfort, technology...!