The streamlined yet rugged Out Front Bike Mount lets you rigidly mount your phone to your bike&';s handlebars, access it instantly, and even flip it up to film your ride Features: SLIMLINK: A MAGICAL CONNECTION SYSTEM Magnetic locking technology (called SlimLink(TM)) is ultra secure and feels like magic No-look, 1-handed phone attachment and removal RUGGED ENOUGH FOR ANYTHING Rigidly installs onto your bike handlebars via included hex screw or thumb screw Locking mechanism strong enough for any cycling activity or terrain Solid machined/anodized aluminum construction Weatherproof, durable, and lightweight BUILT TO LAST Premium materials and stout construction mean this mount will last for many phones to come Guaranteed for life, like all Peak Design products FLIP TO FILM Instantly turn your phone into a POV action camera Included thumb screw lets you quickly reposition phone for filming your ride Phone is held in place rigidly yet accessible with the press of a button VERSATILE MOUNTING OPTIONS Positions phone in front of your bars, in optimal viewing angle and away from your knees Holds phone in portrait or landscape mode Can be installed in reverse to be used in conjunction with an on-board cycling computer Includes GoPro-style accessory mount for attaching bike light or action camera below your phone PHONE/CASE COMPATIBILITY Requires a Peak Design Case, or Universal Adapter (sold separately) BIKE/HANDLEBAR COMPATIBILITY Includes sizing collars to attach to the following bar diameters: 22.2mm (7/8"), 25.4mm (1"), 31.8mm (1-1/4") Not compatible with 35mm handlebars, tapered handlebars, or non-round bars. See this article for more info on bar compatibility. DIMENSIONS Overall dimensions: 11.4cm x 5.1cm x 6.3cm (4.5" x 2" x 2.5")Mount Head: 5.5cm x 5.5cm x 0.7cm (2.2" x 2.2" x 0.3") WEIGHT With hex screw and no collars: 87.1g (3.07 oz)With hex screw and small collars: 88.6g (3.12 oz)With hex screw and medium collars: 92.2g (3.25 oz)With hex screw and large collars: 92.9g (3.27oz)GoPro-style accessory mount: 8.3g (0.29oz)Thumb screw: 8.8g (0.31oz) MATERIALS Machined/anodized aluminum mounting head & arm Grippy silicone mounting pad with Tinuvin 770 UV-stabilizer Polycarbonate bar sizing collars PVD coated stainless steel hardware High-temp neodymium mounting magnets. WHAT&';S IN THE BOX 1x Out Front Bike Mount 3x Sizing Collars: 22.2mm (7/8"), 25.4mm (1"), 31.8mm (1-1/4") 1x GoPro Accessory Mount + Screw 1x Thumb Screw (for flip-to-film functionality) 1x Hex Wrench