Features: Designed for attaching GoPro camera to bike handlebars of 19MM~35MM in diameter. Built-in soft pad, protect your bikehandlebar from scratching. With 3-way pivot arm, allowing to adjust the angle you want. Easy to install and remove. Compatible with Gopro Hero 1/ Hero 2/ Hero 3. Specifications: Color: Black Material: PC, stainless steel screw Compatible: GoPro HERO 1/2/3 Weight: Approx. 75g / 2.6oz Package included: 1 * Bicycle Handlebar Mount 1 * Three-way Pivot Arm