Description Sometimes the position of the valve on one of the wheels is difficult to access to put air in, which is why this practical, high-quality metal extension will be very useful to facilitate the process. Useful and functional for all types of motorcycles , bicycles, ATVs, scooters, etc. Description Sometimes the position of the valve on one of the wheels is difficult to access to put air in, which is why this practical, high-quality metal extension will be very useful to facilitate the process. Useful and functional for all types of motorcycles, bicycles, ATVs, scooters, etc.