700C Tubes in 28" Tires OK?

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A friend has a Canondale touring bike with 28" x 1 3/8" Conti tires. We're overhauling it and want to put in new tubes. In our area we're having a very hard time finding 28" tubes with presta valves, but it seems like a 700Cx28 out to work fine. Has anyone ever used 700C tubes in 28" tires without any problems? Thanks!

- nojiri

Continental Tour 28 ALL should fit the best. Yes, 700cx28 should be OK too, the rim diameter is almost the same, 622 vs 630mm, the width, 1&1/8 vs 1&3/8 should be no problem. ;)

Thanks George. We put a pair of 700C tubes on and it looks like they fit just fine.

Cheers! - nojiri

Continental Tour 28 ALL should fit the best. Yes, 700cx28 should be OK too, the rim diameter is almost the same, 622 vs 630mm, the width, 1&1/8 vs 1&3/8 should be no problem. ;)