Whether you need to use your cell phone for GPS navigation or to play music, the RAM MOUNTS Quick-Grip Handlebar Smartphone Mount with U-Bolt Base can give motorcycle and bicycle riders a secure mounting option. The concave ball socket base goes over your handlebars with one of the two included U-Bolts and Nylock nuts from below to secure it into place. Once attached, the B-sized double-socket arm and smartphone mount can be attached to give you near infinite adjustability. The spring-loaded holder with top, bottom, and side clamps helps ensure your phone remains in place, even when riding on rough terrain.