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Old 09-06-11, 09:16 PM   #1
Majorvox
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Miss-matched wheels

Over the last couple of years and buying used wheels I somehow ended up with a front rim that is 622 x 17 and a rear wheel that is 26 x 1.5. It is a mountain bike but I only use it at this time for commuting and I only need it for another couple of months so i don't want to spend a lot of money.

I just bought two 26 x 1.5 inch tires but of course the tire for the 622 X 17 was a little tight and I was confused until finally figured out what size my wheel is. The 26 inch diameter fits after a fashion but will it be safe for me to inflate it and use it? or should I return it and then what size should I buy that will work in conjunction with my 26 x 1.5 inch rear tire? I did get a high pressure rear tire.

Oh yes, the inner diameter of the 26 in tire is about 22 inches and the outer diameter of the 622 wheel is between 22 and 23 inches. It's hard to tell since the hub prevents exact laying of the measurement across the wheel.

Last edited by Majorvox; 09-06-11 at 09:20 PM.
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Old 09-06-11, 09:55 PM   #2
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Hmmmm

Okay I kind of answered my own thread because I realized that the tire that was on the 622 x 17 wheel was already a 26 x 1.95 tire. So I know the 1.5 is an acceptable width for the 622 x 17 inch wheel. I have inflated the tire and it fits well so unless someone has some kind of "HOLY CRAP!" issue with this I will go with it for the next couple of months until I get my new bike.
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Old 09-06-11, 10:19 PM   #3
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Something's not right here. Where are you getting this 622 number. An actual 622 rim should be far to big to put a 26" tire on.
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Old 09-06-11, 10:27 PM   #4
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Originally Posted by LesterOfPuppets View Post
Something's not right here. Where are you getting this 622 number. An actual 622 rim should be far to big to put a 26" tire on.
My thoughts exactly, there's a world (63mm dia.) of difference between a 26" mtb wheel at 559 and 700c wheel at 622. If the tire comes anywhere close to fitting, both wheels are the same, though tire tightness varies tire to tire, and rim fits for the same size also vary because of differences in the depth of the center well.
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