The 1/4 screw at the bottom of the bicycle bracket, which expanded to be used for sports camera riding, for ACTION 3, series and other cameras CNC-finished aluminum remote control base, high strength and hardness, more secure Screw stable installation, tight clamping remote control not easy to loose When riding in the wild, the remote control with screen can be fixed on the handlebars to control the remote control while riding Recommended that you do not operate the remote control during the cycling process. Please make sure that the vehicle stationary before you operate it, so as to avoid accidents caused by losing control of the bike