The Tusk Rubber Valve Support/Seal is perfect for just about any motorcycle. The Tusk Rubber valve stem support replaces the valve stem nut on motorcycle wheels and prevents valve stem damage if the tire slips on the rim. The rubber support fits snug around the valve stem and rests against the rim to help prevent mud and water from entering the wheel. This type of rubber support comes stock on several Honda motorcycles including the CR and CRF motorcycle models. The Tusk support makes a great replacement on a Honda motorcycle or a great upgrade on other bikes.