Slime in Presta tubes - valve blocked
Hey all,
After heaps of flats last year I finally gave in and installed Slime tyres with presta valves on my roady. For 3 months now, no more flats.
Tonight, though, when I 'released' the presta valve (ie letting some air escape to unblock the valve) instead of air escaping, a whole bunch of Slime came out! Cleaned that up pretty quick, but now my valve is blocked. How do I unblock the valve without getting slime everywhere? When I press the core in (as if to release more air), it fully presses in but no slime or air is escaping now. If I try to pump more in (as if to force the slime back into the tube) it gets nowhere. Tyres are probably still inflated to about 95-100psi (normally aim for 115-120psi).
Has anyone had/solved this problem before?
Replies to This Discussion
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Permalink Reply by Tim Loft on -
Remove the valve stem give it a clean replace Have valve at top when doing this
better off with stan's
PS you know you can not patch a tube with slime
and give it a top up too
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Permalink Reply by Matt Wilson on -
Cheers Tim - how do I go about removing the valve stem? Do I need a special tool?
Aware of not being able to patch slime tubes, but they have sure saved me a lot of punctures :)
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Permalink Reply by Tim Loft on
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Car ones you do about $4 at LBS or BMCR anyway
French one spoke key if they are two part ones
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Permalink Reply by Matt Wilson on
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Took to them with a pair of pliers (gently). After a few turns the whole valve core shot out (along with a whole bunch of slime). Any ideas how to get slime out of carpet? Ha ha ha. The slime had coagulated round the inside tip of the core, but just rinsed it under the tap with water and reinstalled. Pumped up to 120psi with no leakages, hopefully it holds until the morning (and more importantly, on the ride tomorrow. Thanks again Tim :)
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Permalink Reply by Tim Loft on
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Make sure it's in real tight They can can unscrewed when you unscrew your pump
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Permalink Reply by Julia on -
Slammin and I always go without the tubes on the MTB's. I think that most current road rims are also built to go tubeless, just that it hasn't taken on because roadies are such weight weenies and stronger sidewalls mean more weight. Higher pressures also probably mean that to seal a hole is probably not as effective as lower pressure high volume MTB tyres. Thought about putting Stans into the road tubes, but haven't implemented plan as yet. Keeping tyres full of air and changed regularly (touch wood) no flats lately.
Hutchinson system for road is pretty expensive, too.
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Permalink Reply by MARK FERGUSON (SPARTACUS) on -
I don't like the slime, I used to use it but it just ruins the valves. The best way to minimise punctures is to keep your tyres inflated to its maximum range. However you'll never totally eliminate punctures it's just a part of cycling.
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