Peak Design Mobile Motorcycle Bar Smartphone Mount Everyday Case or Mobile Adapter Required Magnetic & Mechanical SlimLink Connector Mounts on Motorcycle Handlebars Built-In Vibration Protection Adjustable Articulating Arm Weatherproof, Durable Aluminum Construction Holds Phone In Portrait Or Landscape Mode A versatile, bomb-proof motorcycle phone mount that is beautiful, durable, adjustable, and delightfully easy to use. Stop hassling with mounting systems that are bulky, fidgety, and unsightly. Securely installs on a wide variety of handlebars (from 7/8" to 1.25" diameter). Features an ultra-strong magnetic/mechanical mounting technology (called SlimLink) that grabs and locks your phone so effortlessly, it feels like magic. Remove your phone instantly with the press of a button-even with riding gloves on. A rigid adjustment arm lets you customize your phone position for optimized viewing. Remove the arm for lower-profile mounting. Best-in-class vibration isolator prevents phone damage, yet preserves enough stiffness so you can easily interact with your phone while mounted. Weatherproof machined and anodized aluminum construction with stainless steel fasteners. Requires a Peak Design Case or Universal Adapter (sold separately). Features MORE RIDING, LESS FUTZING Having a bulky, cumbersome phone mount on your bike is annoying, distracting, and unsafe. Peak Design Motorcycle Mounts maximize your phone's security and usability with a minimal footprint. SLIMLINK: A BULLETPROOF CONNECTION SYSTEM Magnetic locking technology (called SlimLink™) is ultra secure and feels like magic No-look, 1-handed phone attachment and removal Phone is held in place rigidly yet accessible with the press of a button Rugged enough for any ride Easily connect/disconnect phone with gloves on ULTIMATE VIBRATION PROTECTION Best-in-class vibration isolator prevents damage to delicate phone components Road-tested for thousands of miles with diverse terrains, bikes, and phone models PHONE/CASE COMPATIBILITY Requires a Peak Design Case, or Universal Adapter (sold separately) VERSATILE POSITIONING Mounting arm can be rotated and locked into 24 different positions for optimal phone placement and viewing angle Mounting arm can be removed for low-profile mounting Holds phone in portrait or landscape mode BUILT TO LAST Premium materials and stout construction mean this mount will last for many phones to come MOTORCYCLE/HANDLEBAR COMPATIBILITY Fits common bar sizes with included collars: 1-1/4", 1-1/8", 1" and 7/8" Ride a sport/street bike with clip-on style bars? Get the Motorcycle Stem Mount. IN THE BOX 1x Motorcycle Bar Mount 3x Sizing Collar Sets: 1-1/8", 1", 7/8" (fits 1-1/4" bars with no collar) 1x Hex Wrench Specifications MATERIALS Machined/anodized aluminum mounting head & arm Grippy silicone mounting pad with Tinuvin 770 UV-stabilizer EPDM rubber bar sizing collars PVD coated stainless steel hardware Silicone vibration dampers High-temp neodymium mounting magnets DIMENSIONS Mount Head: 5.3cm x 5.3cm x 1.39cm (2.1" x 2.1" x 0.55")Arm length (center of Mount Head to center of arm base): 6.3cm (2.5")Arm width: 1.8cm (0.7")Arm height: 0.7cm (0.3") WEIGHT Mounting arm attached: 146.8g (5.17oz)Mounting arm removed: 118.7g (4.18oz)Small Collar: 3.9g (0.13oz)Medium Collar: 6.8g (0.23oz)Large Collar: 9.2g (0.32oz)