Amazon.com: Universal Motorcycle Fork Stem Mount Kit Techgripper Optiline Case Waterproof iphone X XS en.lbl.motorcycle holder Strong Secure Motorcycle Phone GPS Holders Ultimateaddons Motorcycle Bike Handlebar Phone Mount Holder Waterproof Case for iPhone X Motorcycle Dirt Bike Handlebar Mount Phone Holder Grip for iPhone X Motorcycle Bicycle Phone Holder Mount Bike Handlebar for iPhone 17 16. Motorcycle Metal U Bolt Mount & Strong Grip Holder for iPhone 11 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)