SECURE: Patented RokLock twist lock secures phone, perfect for both road and mountain bikes EASY TO INSTALL: Quickly install with 1 screw and the provided tool, easy to switch from portrait to lanscape with a quick twist WON'T CRACK OR BREAK: Made from strong and lightweight aircraft-grade aluminum BAR COMPATIBILITY: Bike mount fits handlebars 22.2mm (⅞"), 25.4mm (1"), 31.8mm (1 ¼”), and 35mm (1 ⅜") ROKFORM WARRANTY: We offer a 2-year warranty with 5-star customer support. Let us know if you have issues, so we can fix it! At ROKFORM, we understand that cycling is not just a sport; it's a lifestyle. That's why we created the Over The Top Bike Handlebar Phone Mount—a revolutionary product that mirrors your adventurous spirit. Our phone handlebar mount embodies the essence of durability, the heart of innovation, and the soul of convenience. But this is more than a state-of-the-art bike mount. It’s the promise of a better, more exhilarating ride. So go ahead — ride confidently knowing we've got your back (and your phone).