Longway Defender Clamp Chrome The Longway Defender Clamp is a professional double clamp for stunt scooters. This scooter clamp fits on a 35 mm oversized handlebar thanks to the included adapter socket and on a normal 32 mm handlebar. Clamp inner diameter: 32 mm (normal), 35 mm (oversized). ClampsSize: double washer: includingWeight: 50 g. Includes compression system: no. Material: aluminium 6061