Thread: 28 inches: 635 *and* 622
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Old 10-17-08 | 12:07 PM
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Bill Kapaun
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From: Mid Willamette Valley, Orygun

Bikes: 87 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds. 2019 Giant Explore E+3

The 635MM wheel is about 1/2" difference in diameter.
I wouldn't even notice that on another bike!
"FAT" 622 tires are called 29's!
Assuming your 28's are 635x 1-1/2", that would be a 37MM "thick" tire.
a 622x 41MM would theoretically be the same OD.

Does the bike have a rear brake that has to match rim diameter? If so, that would be a bigger issue to me.
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