Quad Lock Motorcycle Fork Stem Mount ProThe Quad Lock Fork Stem Mount Pro has all of the features that you have come to love from the original Stem Mount and is upgraded with sturdy CNC aluminum construction and offers discreet cable routing when combined with a charging head.The Fork Stem Mount Pro is designed for motorcycles that require mounting in the tube of the fork stem and are adjustable for optimal height and viewing angle. Patented dual stage locking mechanism makes attaching and detaching your phone from the mount is a 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.Compatible with all Quad Lock cases and Universal Adaptor.Features: 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.