Our 3.00-10 scooter inner tube with angled valve stem fits a great multiplicity of scooters; the 3.00-10 being a very popular size for many years If you prefer the smooth ride of a tubed tire, then you may wish to have one or two of these tubes as handy spares. 30 Day Warranty Description Our 3.00-10 scooter inner tube with angled valve stem fits a great multiplicity of scooters; the 3.00-10 being a very popular size for many years. If you prefer the smooth ride of a tubed tire, then you may wish to have one or two of these tubes as handy spares.