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Old 06-16-17, 03:48 PM
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Originally Posted by rumrunn6 View Post
question for ya. I recently mounted a cpl 40mm tires which when fully inflated (to 87 lbs) didn't fit between my rear chain stays. I let some air out (to 50 psi) & they fit fine. with all of my 215 lbs plus bike & rear trunk the rear tire doesn't deform at all that I can tell. I could have gotten the 35mm tires & pumped them with more air but wutz the difference? meaning I think I'll keep these as they are & not return them for the narrower tire
Personally I'd be a little nervous about such close clearance. If the tires expand over time or sometimes don't get set carefully, they might start eating your stays. But as long as you pay attention it shouldn't be an issue.

The difference? The narrower tires would weigh slightly less, ride slightly less plush.
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