The SP Connect Moto Stem Mount lets you mount your smartphone to your supersports motorcycle in seconds. Just screw this sleek aluminium mount into the stem of your motorbike & you can easily mount the SP Connect Phone Case (or Universal Interface) by placing it on the mount & turning it 90° clockwise. Your mobile phone is securely positioned in your field of vision, allowing you to navigate or access your apps. For sports motorcycles (clip-on handlebars) Vibration dampening Portrait / Landscape Orientation Option CNC machined from aircraft grade aluminum Stainless steel hardware For diameters 12-30mm: 12-15mm, 15-18mm, 18-21mm, 21-24mm, 24-27mm, 27-30mm For diameters 15-35mm: 15-19mm, 19-23mm, 23-27mm, 27-31mm, 31-35mm Included 1x Moto Stem Mount 5x Diameter Adapters