The Quad Lock Out Front Mount Pro is designed for optimal viewing and aerodynamics. Quad Locks patented dual stage lock allows you to securely attach and detach your smartphone in seconds. The Out Front Mount Pro is designed specifically for road bikes. It features an extended aluminim arm and lower profile design compared the regular Out Front Mount. The Quad Lock mount is super strong and will hold you smartphone securely over the roughest terrain. Optional action camera adaptor available separately.