Opteka OPT-GPBIKE Bike Handle Bar Mount for GoPro HERO5, HERO4, HERO3+, HERO3, HERO2, HERO1 and SESSION Digital Action Cameras Compatable with all GoPro Hero cameras Securely attaches camera housing to handlebar, seat post, fork, boom, roll bar, etc. Fits around any bar from 0.75" to 1.75" (1.9cm - 4.4cm) in diameter Captures point-of-view perspective from bike Great way to take shots of yourself or of people following you