The Carbon Hub mounts are the lightest and strongest mounts we have ever made. Attaches to handlebar control clamps of any bars which use horizontal pinch bolts. The unit comes complete with stainless fasteners and aluminium spacers to replace the OEM pinch bolts. The hook-n-loop platform comes with a security band and vertically adjusts from 82mm to 102mm (measured from top pinch bolt). Money back guarantee.