Specification :

Our inner tubes have passed the inspection of Europe PAHS, EN71-3 and USA CPSIA.

We can offer different valves: D/ V, A/ V, E/ V, F/ V, I/ V for the following electric bicycle inner tube sizes:

2.25-17, 2.75-14, 2.75-18, 3.00-16, 3.25-18,
3.25-16, 3.50-8, 3.50-10, 90/ 90-10, 3.50-16,
4.00-12, 2.75-17, 250-17, 250-18, 3.00-14,
3.00-17, 3.00-18, 3.00-21, 4.00-18,
110/ 90-16, 130/ 90-15, 3.00-8, 3.00-10

The tube quality index as follows:
Tensile strength> 8.5mpa
Tensile yield> 460%
Strength at tear> 25KN/ m

If are interested in our products or need other related products, please don' t hesitate to tell me, we would like to offer any information you need.