Motorcycle Fork Mount Quad Lock® The Quad Lock® Fork Stem Mount is designed for motorcycles that require mounting in the tube of the fork stem. The Quad Lock® Fork Stem Mount is compatible with all Quad Lock® Cases including the Quad Lock® Universal Adaptor. STRONG & SECURE The patented dual-stage locking mechanism ensures that your smartphone will stay strong and secure as you ride. QUICK & EASY TO ATTACH / DETACH No fumbling with tricky grips. Use one hand to quickly attach and detach your smartphone from the Quad Lock® Fork Stem Mount. OPTIMAL VIEWING ANGLE Use the provided Allen (Hex) tool to set the optimal height and viewing angle.