HA-GAMPR01Product specifications:
• assembled on the handlebar diameter 31.8mm (WithØ31.8 xØ 25.4mm andØ31.8 xØ 22.2mm adapter)
• for GARMIN® Edge 1000,810, 800, 510, 500, 200 /Bai Rui Teng
• for GoPro® HERO, HERO2, HERO3
• Material: 6061 aluminum alloy T6
• Weight: 71g
(The installation technique of the light stand: just click it in a little bit and then slowly move it in left and right, if it is directly pushed in, it will be tighter~)