Tate labs gopro stem cap mountthe tate labs gopro stem cap mount securely attaches your gopro camera to the top of a threadless stem for the most stable view of the road or trail featuresreplace the top cap of a 1 18 steerer tubethe most stable view of the road or trailcan be used in conjunction with other gopro attachments to create unique camera anglesbuytate labs nutrition trainingfrom chain reaction cycles the worlds largest online bike store