Leike: 50GY-2 LK50GY-2, 125GY-2 LK125GY-2. Jinlun: Hornet 125 LK125GY-2. The handlebar clamp on a motorcycle is a component that secures the handlebars to the motorcycle's fork or triple tree. In the category of Handlebars and Footrests > Handlebars and Clip-ons > Handlebar Fixtures & Fittings.