Kona Adapter attached to a European style HVE valve (16mm)
The inside diameter of the standard High Volume Evacuation (HVE) valve in the United States (and many other countries) is 11mm. The inside diameter of some European style HVE valves is 16mm. The Kona Adapter is designed to fit 11mm HVE valves. To connect the Kona Adapter to your 16mm valve you will need a…