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Read the first post (over and over)
To be fair, it doesn't mention lube. You can cut the friction which is resisting the aerodynamic force trying to move the bead up onto the shelf by at least 90% with just water as a lubricant. Depending on the weather, phase of the moon, whether you're in the northern or southern hemisphere etc., you might want to add a very small amount of soap as a wetting agent.
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How many layers of tape? And what tape?
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Make sure the tyre is sitting over the valve core. Push the tyre down on to the rim with your palm over the valve core when you open the air shot.
If the tyre is tight enough on the tape it will go up - I find that when they are tight the tyre tends to straddle the valve core so half the air just blasts out and up the side of the tyre from the valve. Worth taking a time with a tyre leaver to make sure it’s sitting over the core.
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Tried pushing the tyre down with one hand while releasing the airshot? It's how I got the Pro Ones to seal - no sealant, no airshot, just one-handed pumping (ooh nurse).
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gbj_tester
edscoble
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@andyfallsoff
Fucking fuck, fucking fucking fuck.
Read the first post (over and over) - but I still find every time I try and seal tubeless tyres, I can never get the bloody things to seal, even using an airshot. It always seems that the valve core pushes the tyre beads out near the valve but the tightness of the tyre pushes it into the centre of the rim around the rest, and air escapes out the sides.
Every fucking time.
Anyone else find they don't understand why they can't make it work reliably?