Bonamici Clip-On (51mm) Motorcycle Handlebars. Designed with a 10mm lift of the bar angled at 6.5 degrees down for a high level racing feel. The Clip-On Bars are machined from 6061-T6 billet aluminum. Sized 51MM (check your bike) for - Ducati Scrambler. Bonamici is the Technical Partner for World Superbike Teams Honda Racing, Aprilia Racing, and Althea BMW. Â