Generic for Gopro Hero 3 Motorcycle Bike Handlebar Seatpost Pole Mount & 3 Way Pivot Arm Securely attaches camera housing to handlebar, seat post, fork, boom, roll bar, etc. Fits around any bar from 0.75" to 1.4" (1.9cm - 3.5cm) in diameter Captures point-of-view perspective from bike Great way to take shots of yourself or of people following you Comes with pivoting arms to allow for 3-way adjustability, allowing you to get the angle you want