Features： 1、Safely transport your surfboard on bike,and prevent dings or scratches on your surfboard. 2、Made of sturdy aluminum construction.Won\u0027t rust or corrode. 3、It is lightweight and easy to install, only need to simply clamp it to your seat post. 4、With wide applicability, this kind of surfboard bike rack can work with all types of bikes. 5、The soft foam prevents the surfboard from scratching. Specification： Features: Safely transport your surfboard on bike,and prevent dings or scratches on your surfboard. Made of sturdy aluminum construction.Won't rust or corrode. It is lightweight and easy to install, only need to simply clamp it to your seat post. With wide applicability, this kind of surfboard bike rack can work with all types of bikes. The soft foam prevents the surfboard from scratching. Specifications: Color: Silver&Black Material: aluminum alloy + soft foam pad Tube Diameter: 28mm Package Size: 44*28.5*7CM Package Weight: 2000g Package list: 1 * surfboard bike rack 1 set of installation tool Package List： 1 * surfboard bike rack 1 set of installation tool