YUYIKES Aluminum Bicycle Handlebar Bar Adapter Mount for GoPro Hero 3+ Hero 3 Hero 2 HD Hero camera Made of 100% CNC machined Aluminum,it's much more practical and durable for long term use. Clamp design provides you a multitude of mounting positions and angles. Fit to handlebars, seatposts, ski poles etc, around any bar from 30mm -31.8mm in diameter. Fit to GoPro Hero / Hero 1/ Hero 2 / Hero 3 / Hero 3+ Note: Accessory only. GoPro Camera is not included.