RAM Mount Motorcycle Brake/Clutch Reservoir Base w/2 1" Balls Mount electronic devices to your handlebar clutch/ brake clamp Holds two 1in. diameter mounting balls Ball that is connected between hole centers is removable Includes 40mm x 6mm stainless steel hardware NOTE: To see if this base will mount to your motorcycle, check hole spacing of base against your clutch/ brake reservoir. The holes centers have a minimum width of 0.94in. and a maximum of 1.58in..