i can't seem to stop folding my tire on my new 20" trials uni. enough of
a side hop to take stairs two at a time makes it fold. i've tried
pressures from 20 psi up to 45 psi. i'm running an alex dx rim, luna
trials tire, and a standard bmx 20 X 1.75 or so tube. i remember hearing
that a bigger/thicker tube would help a lot, but i can't seem to track
one down. any advice/help/suggestions/what do you do?

ps i'm 6'4 180lbs or so, not sure if that would make much of a
difference, but i figure better mention it.


--
markf - movie nerd

stuck in iowa and unemployed.
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