Amazon.com: Universal Motorcycle Fork Stem Mount Kit Techgripper Strong Secure Motorcycle Phone GPS Holders Ultimateaddons Strong Secure Motorcycle Phone GPS Holders Ultimateaddons ROCKBROS Motorcycle Bike Handlebar Phone Mount Holder Waterproof Case Motorcycle Bike Handlebar Phone Mount Holder Waterproof Case for iPhone ENCASED Grip X Magnetic Bar Mount, Compatible with MagSafe Phone. Motorcycle Metal U Bolt Mount & Strong Grip Holder for iPhone 12 Pro Max Cradle Clamping Dimensions: Cradle will hold phones up to 3. 9 inches wide Lipped grip means phone will stay secure in the holder. The redesigned cradle offers even greater support for larger phones in bumpy conditions. Mount; Accommodates rails from 0. 5 to 1. 25 inch in diameter (1. 2cm 3. 1cm) Two u bolts supplied: 1 x 1 inch (2. 5cm) & 1 x 1. 25 inch (3. 1cm) Zinc coated steel (not rust proof)