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Hi,

I'm receiving a warranty replacement rim for my rear wheel. The previous busted rim was 23mm internal width, and the new one is 26mm internal width. The front is going to remain a 23mm internal.

The folk wisdom seems to be that greater internal width augments a tires profile. I want to keep the back skinnier than the front so it doesn't push the front around in the turns. I'm thinking of going with a skinnier casing rear tire than I've been running in the past if the profile is indeed greater for the wider internal rims. However, it's only a 3mm change in this case, so it's probably not going to be that great of a change, yeah? Am I correct in assuming that the widest part of the casing will not not increase more than 3mm?
 

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Slower But Faster
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627 Posts
I changed from DT FR600 (25mm internal) to WTB i23 (23mm internal) and noticed minimal difference in the shape of the tyre profile running both 2.35 and 2.5 Minion DHFs.
 
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