SOLID & DURABLE: This bike phone holder bracket is made of qualified aluminum alloy material, which is solid, firm with high strength, durable and ensures a long time service ANTI FALL: CNC processing aluminum alloy base mount, grasp bicycle handlebar firmly, provides a great stability, won't fall off when cycling SHOCKPROOF: This bicycle cell phone holder adopts cushion pad on the four corners, ensures a better shockproof performance, give your cell phone a good protection APPLICATION: Adjustable width is between 1.9-3.9inch, suitable for smartphone between 3.5-6.2inch, can be assembled on the handlebar and stem cover LIGHTWEIGHT: The bicycle phone bracket is lightweight and portable, very easy to carry, and it won't add any burden to you bike Easy Installation The adjustable bike phone clamp is simple to install on your bikes support tubes with installation tools(included) Strong & Sturdy This aluminum bike phone mount makes it stronger than other plastic mount, secure enough to hold your phone in position Optional Colors There are two colors: black, white color for you to choose, you can choose your favorite one Specifications: Material: Aluminum Alloy Color: Black, Titanium (optional) Adjustable Width: Approx. 50mm-100mm / 1.9-3.9inch Bracket Diameter: 31.8mm / 1.2inch Weight: Approx. 151g Package Included: 1 x Bicycle Phone Holder 2 x Wrenches Note: Phones are not included.