Motorcycle Handlebar Top Clamp M6 Fitting with 1" / 25mm Ball - Use with RAM / SW-Motech Mounts Motorcycle Handlebar Top Clamp M6 Mounting option with a 1" (25mm) ball fitting which is compatible with bike mounts using 1" ball fixings (used by many motorcycle mount manufacturers including RAM Mounts & SW-Motech). By purchasing this item, it allows you to select and attach your own arm & cradle / case to this NEW Ultimate Addons M6 Handlebar Top Clamp Bracket. This mounting system replaces one of the M6 bolts on the handlebar top clamp bracket to give a 1" ball fixture to which any motorbike mount using this 1" / 25mm system can be attached. Supplied with THREE of the most popular M6 bolts and is suitable for any Japanese or European motorcycle models using metric bolts: 1 x 55mm M6 screw bolt; 1 x 60mm M6 screw bolt; 1 x 65mm M6 screw bolt. This mount is for use with an existing waterproof case from the Ultimate Addons, RAM or SW-Motech range.