Guardian St 2 Bolt Clamp Clamp is oversized and comes with a shim to fit standard size Scooter bars Material: Aluminium 6068 Cold Forged Clamp Height: 38mm Weight: 110 Grams M8 Hardware for increased Strength & Reliability Oversized with shim Includes: Reducer shim to fit a standard sized bar Size: 31.8mm (with shim) / 34.9mm (without shim) 8