The Quad Lock mirror mount ensures secure attachment of the phone to the mirror arm of a motorcycle or scooter. Thanks to the patented two-stage locking mechanism, you can ride with peace of mind knowing that your phone is securely fastened. The mount is suitable for mirror arms with a diameter of 10 mm, 12 mm, 14 mm or 16 mm. The Quad Lock mirror mount is compatible with all Quad Lock phone cases.