Sametop Bike Handlebar Seatpost Mount with 3-Way Adjustable Pivot Arm for Gopro Hero 5, 4, Session, 3+, 3, 2, 1 Cameras Perfect for bicycle seatpost, handlebars, poles and more, fits 0.75'' to 1.4'' (19mm to 35mm) diameter tubes. Suitable for bicycling, mountain biking, motocross and other action sports. 3-Way pivot arm offers 3-way adjustment to help achieve the perfect angle for every shot. Compatible with all Go Pro Hero (2018), Fusion, Hero7, Hero6, Hero5, Hero4, Session, Hero3+, Hero3, Hero2, Hero1 and most action cameras. Package including: 1 x handlebar mount, 1 x 3-way pivot arm.