Made of butyl rubber, durable and wear-resistant. High air tightness, needn't waste too much time on pumping tire frequently. Designed with American valve, easy to pump tube up.

Suitable for tube specification of 20 * 1.9 / 2.125.

This sort of inner tube is suitable for tube specification of 20 * 1.9 / 2.125. It is a good bicycle inner tube to keep your tube inflated.

Material: Butyl rubber

Color: Black


Suitable for the following bike type/models

 20in wheel bikes

Package Includes:

  • 1x inner tube


SKU 1171000007
Brand CST
Shipping Weight 0.0100kg
Shipping Width 0.260m
Shipping Height 0.060m
Shipping Length 0.320m
Shipping Cubic 0.002000000m3
Assembled Length 0.320m
Assembled Height 0.060m
Assembled Width 0.260m
Type Spare Parts

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