Tubeless - loss of pressure?

AndyD2

Hi all,

I'm runing Mavic Deemax UST rims with Maxxis High Roller UST tyres.

I seem to have a problem with loss of air pressure on the rear tyre, but the front seems fine (and this is without even riding as I'm out with a knee injury at the moment.

Any tops tips for solving this problem? Checked the tyre and doesn't appear to be any tears, and I've replaced the O ring on the valve, just waiting to see if that's made a difference now.

Would adding some kind of sealant also help? Any good/bad experiences with any particular brands?

Thanks

Andy

nicklouse

leave it untill you are riding again.

but as a general rule they all leak.

some end up sealling better after some use. persistant offenders do need some sealent to help.

nick
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Run some sealant, makes life a lot easier.

I use Just Riding Along milk & not had any issues at all, and very minimal pressure loss, even when its sat there for a month not being used.

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rubber side up

What about trying some of the stans no tubes liquid?

<hr noshade size="1"><center><blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by EvilAlex</i>

Something round here tastes bad. Could be plain old bad taste.
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thaibog

i am just flabberghasted at people who run tubeless tyres without sealant..
that small cup of sealant stops all air leaks around the rim and the o-ring let alone any punctures.

The minimal weight gain is worth it for the peace of mind of no punctures.. I took my 18 stone fat arse down a trail the other week and hit so many flints and stumps that when i was spat out at the other end i had milk sealant specs all over my tyres and rims and only a slight loss of pressure.Thats using non UST tyres on UST crossmax enduro rims
there was a slight split in the sidewall of my panaracer fire on the back also but stans notubes sorted that as well..

thumbs up all round for sealant





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paulio40

Andy ... i run ust and my back tire ALWAYS loses more air than the front .. ive ran 3 different sets .. the back tire always loses more air .. i mount them the same everytime ,all i can think is more weight on the back ,BUT like you say ,even when stood dead the back loses a lot more air,freaky innit ?

whyamihere

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by paulio40</i>
Andy ... i run ust and my back tire ALWAYS loses more air than the front .. ive ran 3 different sets .. the back tire always loses more air .. i mount them the same everytime ,all i can think is more weight on the back ,BUT like you say ,even when stood dead the back loses a lot more air,freaky innit?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">That would suggest to me that it's the rim, not the tyre, that's responsible...