M20 Bike Handlebar Seatpost Pole Mount Holder for GoPro Hero 2 / 3 / 3+ / 4 - Black
Fits 1~1.8" (2.5~4.5cm) diameter tubes; Works with GoPro HD Hero GoPro Hero 2 GoPro Hero 3 GoPro Hero 3+ and GoPro Hero 4; Mount your GoPro to handlebar bumper seatposts and ski poles etc.; Even in the bumpy road also won't affect the stability of the fixed camera