MAIN SIZE AS BELOW:
16 x 1.75/2.125 20 x 1.75/2.125 24 x 1.75/2.125 26 x 1.75/2.125 12.5X1.75
14X1.75
16X1.75
26X1-3/8
26X2.5
......
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QUALITY BICYCLE INNER TUBE