Size: 200x50(8" x 2").
Material : Isobutylene Isoprene Rubber which is better in air tightness, elastic damping and aging resistance than natural rubber.
Valve Stem: Angled Stem TR87
Aftermarket Replacement Fits Razor e100 e200 Bladez Mongoose
Recommended Charged Pressure: PSI 85 (Please note that you‘d better inflate according to the recommended charged pressure of the inner tube. Do not inflate according to the pressure marked on the tyre, otherwise the tire will burst easily).