Hope Bayonet Front Light Handlebar MountHope Handlebar Bayonet ClampA universal handlebar bayonet clamp mount which suits 35mm, 31.8mm, and 25.4mm.FeaturesUniversal designCompatible with 35mm, 31.8mm and 25.4mm barsBuy Hope Lights from Chain Reaction Cycles, the World's Largest Online Bike Store.