Features: 100% brand new, never mounted, high quality. Dirt bike gas caps are made of aluminium and are precisely cut using CNC technology for a precise fit and long lasting durability. Equipped with a built-in vent cap and exhaust hose, this gas cap ensures proper airflow into your tank. The integrated gas supply mechanism prevents vacuum locking, allowing fuel to flow smoothly while minimizing the risk of fuel spillage or evaporation. Our gas caps feature a secure sealed design that effectively prevents fuel leakage and spillage, keeping your fuel where it belongs - inside the tank. Easy to install. Specification: Color: As picture. Material: Aluminium. Weight: 135g. Inner diameter: 1.95''(49.5mm). Fitment: Universal for 50cc-250cc pit bike. Package Includes: 1*Gas cap and 1*gas vent tank hose as pictures. Instruction of installation is not include.