Motorcycle Handlebar Top Clamp M8 Mount & Ultimate Addons 3 Prong Adaptor (sku 11086) This popular motorbike handle bar clamp system is supplied with the THREE of the most popular M8 bolts and is suitable for any Japanese or European motorcycle models using metric bolts. This mounting system replaces one of the m8 bolts on your handlebar top clamp bracket to give you a 1" ball fixture with the THREE PRONG attachment to which any of the Ultimate Addons cases or cradles can be attached. THREE size of M8 bolts are supplied 1 x 55mm M8 screw bolt 1 x 60mm M8 screw bolt 1 x 65mm M8 screw bolt Note: Although we supply three sizes of M8 bolts in this kit you may find the lengths are not suitable for your needs. On this rare occasion you can purchase longer bolts from a reputable merchant. This is also the case if you wish to use this mount but require UNF. Important: This mount is for use with a cradle or waterproof case from the Ultimate Addons range.