Originally Posted by
gus6464
With some tires the wider stance of the 391s can be an issue. 22.5mm wide seems to be a good middle ground in width where most tires won't have an issue. For example Maxxis ramblers on 25mm rims makes the tires kinda squarish which screws with the knob contact patch.
Hmm interesting point, if you're on the more narrow side of tires for gravel yea. DT Swiss lists the XR 391 as a xc/cyclocross/gravel rim, and I'm running 650bx48c which is definitely a rounded profile