Must-Have Everyday Essentials for Workshop repairs, Dealers, and Professionals. A common item for workshops. Short, straight tyre valve, TR412, for tubeless tyres on motorcycles, scooters and ATVs of any category. 3.6cm in length, with 2.6cm visible (including cap). Great for 10inch wheels, and metal finish means they are robust and solid. Our tip: Change valves each time tyres are changed.