Insane Bicycle Mechanic
Join Date: Mar 2008
Location: other Vancouver
Mentioned: 4 Post(s)
Tagged: 0 Thread(s)
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Originally Posted by Lippy
After reading at sheldonbrown.com that a 26 x 1-1/2 is not the same as 26 x 1.50 I was trying to find an exact match. I checked the link to Nashbar. They list 26 x 1.25 & 26 x 1.75 tires. Would both sizes work as replacements for the 26 x 1-1/2 x 1-5/8?
No, the Nashbar tires will not fit your wheel. Their rims are 559mm at the bead seat, yours is probably 584mm. Twisted but true: they're nominally the same size, but there's nearly an inch difference in diameter. Go back to Sheldon's article and read up on the difference between fractional and decimal size tires.
Given the information you've posted, I think you might have a 650B tire. If this is true, then you have a couple choices to pick from:
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