trials tire folding help
 

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.


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markf - movie nerd

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trials tire folding help
 

folding??????????????????????????????????????????? ?????????????????????????????????????????????????? ?????????????????????????????????????????????????? ?????????????????????????????????????????


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halfbike - Obsessed Rider

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trials tire folding help
 

halfbike wrote:
*folding?????????????????????????????????????????? ?????????????????????????????????????????????????? ?????????????????????????????????????????????????? ??????????????????????????????????????????
*


folding = the tire squishes too far on a sidehop, which like throws you
off so you're kind of on the edge of the rim, which could be bad at
times.


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James_Potter - betcha can't stick it!
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trials tire folding help
 

Yeah, I heard that a thicker trials like tube helps the folding, but a
thinner tube has a better prehop....


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caw89 - Cody

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trials tire folding help
 

soundz like you need even more air pressure or find a Moped tube.

or

go to a shop and look at the tubes 1.75 is skinny, at least get a 2.215


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trials tire folding help
 

More air pressure fo sho, or dont land at so much of a parallel angle to
the ground when you sidehop.


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trials tire folding help
 

it's not landing. it's on take off. i lean a little to one side, push
down and go. the push makes the tire fold, and really messes with my
hop. i'm running at close to the max pressure and it still does it. my
LBS has no fatter tubes. i guess i'll have to find a trials website or a
moped tube or something. thanks though.


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markf - movie nerd

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trials tire folding help
 

Darren Bedford has a 20x3.0 intertube for sale. I've never tried it but
that sounds ideal. www.bedfordunicycles.com I am using a 20x2.125 tube
which works ok, I have to inflate it to around 30 PSI to eleminate fold
over for side hop (static lean and jump, no prehop = 62" long jump) I
would think it's your tube. Have you checked walmart for a kids bicycle
tube (20x1.95-2.125)?


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UNIquelyCanadian - 8~)[==)--O

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trials tire folding help
 

Oh yeah, I had that the other day when I was hopping around on this
little play structure at park. I was hopping with crappy style. Then
pumped up my tire and was hopping with....... Cool style....


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halfbike - Obsessed Rider

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trials tire folding help
 

Unicycle.com sells a 20 inch by 2.15 tube, that works for most people,
you cant use bedfords 20 by 3 inch because a trials is only 2.5 inchs
wide. Go to genaric tubes and select that size


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