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Can't find tube to fit my back tire - stem doesn't seem to fit properly.

I don't know what year the bike is - I bought it used from a lady here in town. It IS several years old, I think. Maybe even more than a decade. I got a tube that I thought would fit, but it's like the stem doesn't want to fit properly, which causes a leak so that the tire deflates within about 10 minutes (if riding) or a couple hours (if it's just sitting there). Any suggestions?

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You have not explained in what way the valve does not fit, but this may help: Presta VS Schrader Bike Valves Explained It's very possible that you accidentally punctured the tube when installing it, especially if you used a tool to do so.
I would suggest you get some in-person help - bike shop, bike co-op or friend who's into bikes.

I’m happy to help further over the phone at

Posted on Jul 24, 2017


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Posted on Jan 02, 2017


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