2PCS 13x4.00-6 Inner Tube 4.10/3.50-6 4.10-6 145/70-6 Rubber Interior Tubes TR13

Valve: TR-13 Straight Valve Stem. 13x4.00-6（4.10/3.50-6）inner tube is made of isobutylene isoprene rubber, better than natural rubber in air tightness, elastic damping and aging resistance. This inner tube is used for.

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