CNC machined AL6061 alloy GoPro mount for handlebars or seatposts Accepts GoPro mounting style compatible accessories GoPro mount rotates 90? for ideal positioning of accessories Fits 22.2mm, 25.4mm, and 31.8mm handlebars with included adapter Fits 27.2mm, 30.9mm, and 31.6mm seatposts with included adapter Black GoProUPC/EAN/GTIN: 888571054307