1. Item: Bicycle tubes.
2.Valve type: AV, DV, FV, EV, ItV.
3.Material: Butyl, Natural.
4.OEM for world famous brands.
We're a professional manufacturer of bicycle/electric-bike/motorcycle tubes, tyres, we supply high quality butyl inner tubes, as well as self-sealant tubes (puncture tubes), cycling tubes, thron resistant tubes, superlite tubes, natural tubes, and bicycle tires.