Quad Lock Motorcycle Fork Stem Mount Pro The Quad Lock Fork Stem Mount Pro has the same great features as the original Stem Mount but upgraded with sturdy CNC aluminum construction and offers discreet cable routing when combined with a charging head. Mount was designed for motorcycles that require mounting in the tube of the fork stem. Is adjustable for optimal height and viewing angle. The dual stage locking mechanism makes attaching and detaching your phone from the mount is an easy, simply twist and lock in one motion. An optional Vibration Dampener is available to add to your Quad Lock mount for additional stability and reduces over 90 of high frequency vibrations produced by motorcycles. Features Compatible with all Quad Lock cases and Universal Adaptor Patented dual stage locking mechanism Easy attachment/detachment from phone case CNC aluminum construction and stainless steel hardware Optional Quad Lock Vibration Dampener provides additional stability (sold separately) Fits tube sizes between 12.4mm - 25.4mm Includes: 1 fork stem mount, 2 expanding clamps, 1 allen key Note: Quad Lock Case sold separately.