WATOAY 16x3.0 Inner Tube Replacement for E-Bikes Electric Scooters Mopeds Kids BikesUnicycles and Folding Bikes with 45Angled Valve StemKnown Compatible With The Following Models: Kingsong 16X Electric Unicycle ATE 501 E-bike EW-36 Chopper Bike KMX Tadpole Trike Package Includes: 2 x 16x3.0 inner tubes with angled valves 2 x colored stem valve cap..