i loved my pug except for the fact that after a really long ride or consecutive days riding my knees would hurt.
it was not a fit issue as i had the fit checked many times at my LBS and it matched all my other bikes. it was the fact that my feet were too wide set in relation to my body.
i have seen diy fat bikes with a short version of a tandem drivetrain. where the left side of the crank drives another BB that has the front triple on the otherside and the rear derailleur is normal mounted.
the second bb with the triple chainring is mounted higher up usually.
this solved the "fat" tire spacing problem, but i have yet to see a manufactured version of this.
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