SET OF TWO: Street Tread Tire Size 16x3.0 Fits Electric Bikes, Scooters, e-Bikes, Mopeds, Kids Bikes BMX SET OF TWO 16x3.0 Front or Rear DOT Approved Tube Type Tire Rim Size 16". Model P158 Recomended tire pressure 36 PSI (250 KPa) cold. Tire Inner diameter: 12 inches Heavy Duty Fits many electric bikes in the market like Razor , Baja , Schwinstingray , Sun-L , X-treme etc.