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Old 01-25-19, 12:42 PM
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18c or 20c rim for 28mm tires

I posted a week ago about rim choice but decided to reconsider my options to stouter rims.
I want to use Continental GP4000/GP5000 28mm tires (tubed). For loaded touring with a medium load.
I already tour on these tires and I like them, I don't want to go wider (I had, but prefer the 28s)

Rims considered:
DT R460db - 18mm internal, 22mm ext, 23mm height
DT X392 - 20mm internal, 24mm ext, 18mm height

I was going to go with the R460, but noticed the tendency toward wider rims. Would the X392 then be better suited?
If I am to follow DT's specs, 28mm is the "max optimum" for 18c rims, and "min optimum" for 20c rims.
Would the tire shape be better on the wider rim, or is it too wide?

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