700x23 and 700x18


New Member
With new tyres, 700 x 23, I got given a set of complimentary tubes, which are 700 x 18. Would there be a problem with using these tubes with these tyres?

Tim Bennet.

Entirely Average Member
S of Kendal
No. Infact you are less likely to nip these inners putting the tyre back over the lip of the rim.

Most inners list a fairly wide range: 18-23, 23 -32, 28 -37, etc
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