This handy bicycle mount is designed with four stainless steel clamp arms and four support corners to ensure your phone is firmly attached to your bike handlebar. With an upgrade to the convenience of an automatic contraction clamp arm and a one-switch to lock or unlock your phone, the Bike Phone Mount guarantees maximum security, stability, and safety! The phone holder and handlebar connector are interlocked with a 360 degree rotation sphere so you can adjust your phone to any angle. Furthermore, the tool-free installation makes it easy to attach the mount to any bicycle handlebar, giving you time to hit the road instead of tirelessly trying to install it. What’s more, the Bike Phone Mount is equipped with a universal compatibility of smartphones between 4 inches to 7 inches, making it a great option!