17.5-20.5mm Motorcycle Yoke Stem Mount for Xperia Z2 (sku 19657) Dedicated Sony Xperia Z2 smartphone holder / cradle supplied with a motorcycle fork stem yoke mount. Fork Stem Yoke Mount fits hole diameter 17.5-20.5mm (0.68"-0.81"). Developed for use on bikes where a handlebar mounting option is not possible or desirable. Designed to fit sports, superbike, endurance and touring motorbikes using the cylindrical bore wall (steering head tube) of the fork stems. Light-weight, made from Aluminium. Attaches easily to the steering head tube of fork stems. IMPORTANT: First check that your stem cover can be removed leaving a central hole for the mount to fix in. Simply drop the Fork Stem Motorcycle attachment into the hole of the stem and tighten. The split shaft will expand to fit the inside wall of the fork stem - use an Allen Key to create a tight fit. Includes a bespoke clip-in cradle designed to hold and contour your phone leaving access to charging port and camera. What's included? 1 x Xperia Z2 cradle (not for use with an additional protective case); 1 x Adaptor; 1 x 17.5-20.5mm (0.68"-0.81") stem mount.