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Big Paws on a Puppy!!
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356 Posts
Discussion Starter · #1 ·
I'm planning a 650B conversion using P35 rims and WTB Wolervine tires front and rear. I have the wheelset and I just ordered the tires today. My question is what tubes should I be using? I thought I saw somewhere that I could run a 26" tube and I also thought I saw actual 650B tubes for sale at some e-retailer but now I'm drawing a blank. I'm usually pretty good with the search feature but for some reason I'm getting everything but the info I'm looking for. Apologies in advance asking for a question I'm positive has been covered on this board already.

Thanks!
 

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Crawfishy
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78 Posts
Tubes

I have always run 26" tubes without a problem. I have heard that you can run a 26" tube on a 29" rim too. Hope that helps.
 

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Ultra Ventanaphile
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3,346 Posts
As Craw nentioned, 26" will work just fine, without the confines of a tire, a tube will stretch out, the tube wall will be a bit thinner, but minutely.

But, you are correct, Kenda, at least at one time did make a 27.5 tube, as I have a few of those.
 

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Big Paws on a Puppy!!
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356 Posts
Discussion Starter · #5 ·
Thanks guys!! That's good intel especially since I keep a supply of 26" tubes on hand at all times....
 
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