2

I have a wheel with a puncture. It seems to be a pinch flat (the air is shooting out in the direction of the rim) but I can't get the tyre off to investigate.

This is an ex-tubeless tyre that I put a tube in once. Guess I should have cleaned up the sealant first. Now I can't even move the tyre, let alone remove it.

The rim is aluminium. Is there a powerful solvent that is safe to use, that would weaken the old Stan's + muck glue?

I googled around this, and most answers are 'be a man! use tyre levers! No, they're for girls, use your thumbs!'.

Well, I'm beat. I have poor muscle tone and bad motor skills for medical reasons, so I accept the possibility that 'normal' people could just pull it off. I, however, can't. The suggestion here was use a credit card but that didn't work.

I could take it to the bike shop, but something tells me this isn't the last time something like this will happen. I'd like a solution for next time. I need a solvent that won't attack the aluminium. Ideally I'd like to save the tyre/tube, but that's a bonus.

Edit: whoever suggested a vice, that worked. It unstuck the tyre and I could remove it normally with tyre levers.

Improve this question
  • 3
    Have you tried putting the wheel on the ground and stepping on the tire in various places? – Batman Apr 24 '17 at 16:30
  • If you stick to normal solvents (the sort that burn) the aluminium will be fine. The rubber may not. Avoid acidic and alkaline cleaning products to protect the metal. It may take some time for any solvent to soak in enough to soften the sealant, and some solvents evaporate quite quickly so there's a tradeoff. – Chris H Apr 24 '17 at 17:03
  • 1
    If stepping on it does not work try a vise. – paparazzo Apr 24 '17 at 18:10
  • 1
    Have you tried soaking in water? This works for many brands of sealant. – Rider_X Apr 24 '17 at 18:40
  • 1
    If you don't have a vice, pliers to break the bead might help. Vice grips (lock jaw pliers) where you can adjust the gap between the vice jaws would be my first choice. – mattnz Apr 25 '17 at 0:47
4

Try a vice. I am the comment that suggested that.

Improve this answer
5

Before looking for a product to solve the problem, try this. Many tubeless rims grip the tire very tightly when one is just trying to push the tire very inwards to unseat it. The trick is often to push the bead section more straight down in the direction of the rim well, with a slight scooping motion inward.

Sealant isn't glue and doesn't have all that much tensile strength. It's usually the case that you're more up against the mechanics of how the bead locks in place.

Improve this answer
1

The standing on it or using a 2×4 length of wood-with rim on its side-should work with even the most stubborn tyre. Leaves it fit for use again too. I would try this before any destructive measures.

Improve this answer
0

As I remember charcoal lighter fluid should be safe for the aluminum and should un-gunk it pretty quickly... I don't think it's safe for the tire. But if you're ok with possibly having to change the tire, it should work. Also, works great as a degreaser in those chain cleaning tools with the brushes. Just don't smoke while doing it.

Improve this answer

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.