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 Post subject: OK, Who's Farted?
PostPosted: Sun Jan 29, 2012 12:55 pm 
Old School Grand Master
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Joined: Fri May 01, 2009 7:11 pm
Posts: 8479
Location: Fircombe.
:oops: Oops, it's me again...
Has anyone had farting problems, and how did you stop it?

I seem to have found the Achilles Heel of tubeless tyres, unless I'm doing something wrong?
Towards the end of my daily ride there is a sweet little singletrack descent winding down through the woods to the car park. The ride varies but this is a regular finish . At the top, there is a small dropooff of about 2 foot, easy peasy but it has a badly cambered landing. Half the time my rear tyre farts on landing, and depending on how big a chuff it is, can make the bike decidedly wobbly or even unrideable. It's a pain in the bum to have to walk the last 1/2 mile to the car, and even if I did carry a pump, the "flow" would have gone.
What can I do to stop the farts?
Bigger/different tyre? They're Bonty MudX 1.8 tubeless ready at the mo, and they're brilliant!
Higher/lower pressure? I run 36psi
More juice? There's a measure and a half of Stans in each tyre, about 3 months old.
Wheels are DT Swisscheese 4.2D
Thanks for any tips...


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 Post subject: .
PostPosted: Sun Jan 29, 2012 3:34 pm 
aka Leo Swayer
aka Leo Swayer
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Joined: Wed Jun 18, 2008 7:15 pm
Posts: 6365
Location: Wales.UK
Less sprouts?


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 Post subject:
PostPosted: Mon Jan 30, 2012 6:27 pm 
Anglian Deputy AEC
Anglian Deputy AEC
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Joined: Mon Oct 09, 2006 6:13 pm
Posts: 6928
Location: Livin' in a dust bowl
Stick a tube in


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 Post subject:
PostPosted: Tue Jan 31, 2012 5:38 am 
Anglian AEC / Prison Ship Captain
Anglian AEC / Prison Ship Captain
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Joined: Thu Mar 15, 2007 1:26 am
Posts: 6049
Location: LOWESTOFT the worlds smallest bore fest
I say

1. Lose weight

2. Learn to ride smooth

3.what rekiborter said

:lol: :lol: :lol:


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 Post subject:
PostPosted: Tue Jan 31, 2012 10:33 am 
Old School Grand Master
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Joined: Fri May 01, 2009 7:11 pm
Posts: 8479
Location: Fircombe.
Enough of the jocularity, thankyou. :twisted:
This is a serious matter! :P


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 Post subject:
PostPosted: Tue Jan 31, 2012 12:05 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
Posts: 16165
Location: Rurally close.
I have no experience with tubeless whatsoever.

Try more stans or more pressure.

Sounds like its burping on the outside side of the rim (when on the camber)?


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 Post subject:
PostPosted: Tue Jan 31, 2012 3:03 pm 
Anglian Deputy AEC
Anglian Deputy AEC
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Joined: Mon Oct 09, 2006 6:13 pm
Posts: 6928
Location: Livin' in a dust bowl
The whole point of running tubeless is that you can run at lower pressures which in turn gives more grip. I am on the heavy side of Clydesdale and run tubed tyres at 30psi which gives a good compromise between grip and rolling resistance.


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