The Quad Lock Out Front Mount Pro Bike Phone Mount is made of stainless steel for long-lasting durability and strength. The innovative two-stage locking system enables fast and ergonomic attachment of the phone, providing a firm and secure hold even in the most demanding conditions. Compared to the standard version, it is made of aluminum and has a lower profile. The mount fits handlebars with a diameter of 22-31.8 mm and is compatible with all Quad Lock phone cases, the Quad Lock Action Camera Adapter and other Quad Lock universal adapters. The kit includes: 1 x Quad Lock Out Front Mount Pro phone mount, 2 x distance rings (22mm and 25.4mm, without them mounts on a 31.8mm handlebar) and 1 x hex key.