Highperformance rigidmount handlebar harness system \n Hinged clamp provides width adjustability on the handlebars, and the included shims fit 31.8mm or 35mm handlebars \n The system comes complete with straps and a robust elevated accessory mount with a 31.8mm clamp diameter \n Machined 6061 aluminum clamps and accessory risers, carbon fiber support tubes and accessory mount, Hypalon sling