The only bicycle mount that provides the rugged quality for security and accessibility to the 42mm Apple Watch on your bike. Feel secure that your Apple Watch will stay on the bike in an easy to access mount. Made to fit standard road bike and mountain bike handlebars (31.8m diameter). The mount allows for hand free use of applications like Strava, Apple Health and others without taking your attention off the road and the ability to easily use the communication functions of the Watch! Simply disengage the Watch straps and slip into the easy to use mount that keeps your Watch secure. A must have for anyone cycling with any Apple Watch! Apple Watch not included; Allen key for clamping included with mount,