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Posted (edited)

My tyre is notlosing air, but full of little thorns. should it take it out ? How?

Edited by Eugeneg@orafunds.co.za
Posted

Leave the thorns - the goo has formed a seal around them, thereby preventing loss of air pressure in the tyre.

 

if they are long, you can snip them off - but don't pull them out.

Posted

If you leave the thorns, with riding, the thorns move around in the rubber and can stretch the whole a bit. the "foreign object" needs to be removed for the sealant to harden.

 

Leaving the thorns will cause the tyre sometimes to slowly lose pressure.

Posted

i think the first question is are you running tubeless or non with a tube that has slime in it?

 

if tubeless and they are not 4mm or more in diameter sort of thorns just pull. spin the wheel and let the sealant do its thing, only 1 at a time though, you could do several but thats probably just going to make a mess.

 

if its a non tubless setup., -go tubeless= problem solved

Posted

Leave the thorns - the goo has formed a seal around them, thereby preventing loss of air pressure in the tyre.

 

if they are long, you can snip them off - but don't pull them out.

 

no offence...but this is the opposite of how sealant works in a tubeless setup

Posted

Pull the buggers out at home. If you leave them in they move around, a little sealant seals the hole and you don't even notice or maybe the tyre needs a little air now and again. But the sealant can get used up quite quickly and then it's a proper puncture and no sealant to plug it. Worms may not seal it as there is no sealant to help (unless you are organised enough to carry some spare sealant which is wise), your tube has perished from not being used and you now become grumpy. Repair now depends upon sweet charity - thanks guys.

 

This I have learnt the hard way.

 

In any event, top up the sealant.

Posted (edited)

no offence...but this is the opposite of how sealant works in a tubeless setup

 

This is what the Botswana guys told me when cycling with them in THORN HELL in the NW Province! They deal with more thorns in a single ride than we see in a YEAR.

 

My tyres looked like a flipping porcupine and I wanted to pull them out.

 

On their advice, I left the thorns in and just completed S2C with no problems...

 

 

 

But I am willing to accept that I am wrong...

Edited by nonky
Posted

This is what the Botswana guys told me when cycling with them in THORN HELL in the NW Province! They deal with more thorns in a single ride than we see in a YEAR.

 

My tyres looked like a flipping porcupine and I wanted to pull them out.

 

On their advice, I left the thorns in and just completed S2C with no problems...

 

This is different, as its pointless pulling a ton of them every 10mins while your riding. after a ride, its a another story...

 

IF all else fails....read the bottle....

Posted

This is different, as its pointless pulling a ton of them every 10mins while your riding. after a ride, its a another story...

 

IF all else fails....read the bottle....

 

The same bottle you threw away after doing the tubeless conversion? :oops:

Posted (edited)

The same bottle you threw away after doing the tubeless conversion? :oops:

 

So even with all the proven technical advice and manufacturers instructions....you still seem to be in the dark on this one. All good...to each his own....

Edited by Fabian46
Posted

So even with all the proven technical advice and manufacturers instructions....you still seem to be in the dark on this one. All good...to each his own....

 

Nah, just following advice from people who deal with thorns every single riding day.

 

Their reasoning as that those kick-ass white thorns are so big that, when they puncture the tyre, the sealant is unable to work due to the diameter of the hole (if you pull the thorn out). This is a similar problem to a ripped sidewall, viz. the sealant cannot solidify around a too large opening.

 

I agree that the puny little thorns we get in Jhb can be pulled out but Kalahari-type thorns are a different ballgame.

 

I left mine in and the tyres are fine a few hundred km's later.

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