Schwalbe AV7A SV7A SV7S 20" 451 440 438 Inner Tube Folding bicycle Mini Velo

Product details:

🚴Schwalbe AV7A SV7A SV7S Inner Tubes

🚨SV7A is also known as SV7S ; THEY ARE THE SAME🚨

🚨COMES IN 2 DIFFERENT PACKAING STYLE, BOTH ARE THE SAME INSIDE🚨

Suitable for most folding bicycle and mini-velo

AV7A

Valve Type : Schrader

Valve Length : 40mm

Weight : 105grams

SV7A / SV7S

Valve Type : presta

Valve Length : 40mm

Weight : 100grams

Compatible with the following Tires

ETRTO(MM) Inches

37-438 20x1 3/8

28-440 500x28A

37-440 500x35A

28-451 20x1 1/8

37-451 20x1 3/8

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To find out the tube model that you need, look at your tire side walls and refer to the table above.

In this case, it is 37-451for example. Look at the table above, it shows that both AV7A and SV7A are suitable for this tire.