XYZ Accessories Handlebar Seatpost Mount for GoPro 100% brand new and high quality handbar seatpost pole mount and three-way adjustable pivot arm Fits around any bar from 0.75" to 1.4" (1.9cm - 3.5cm) diameter tubes. Capatible with All GoPro HD Hero3 /Hero2 /Hero1 camera. Comes with pivoting orientation arms to allow for 3-way adjustability, ensuring you to get the angle you want. Securely attaches camera housing to handlebar, seat post, fork, boom, roll bar, etc.