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Just setting up a new back wheel, wrapped rim with Tesa tape that I recently bought, but as no sealant popped a tube in, inflated etc.
Realised I put the wrong type on, go to swop them over and proving impossible to remove the tyre, it's like the tesa tape has glued the tyre to the rim.
Should I have expected that...and how on earth do I remove the tyre bead?!
Think I may have made a bit of a rookie tesa tape mistake here!
Not normal at all. Which Tesa tape? It's a brand and they make a range of tapes. Without wishing to sound patronising, you are trying to push the bead of the tyre into the middle of the rim first before trying to take the tyre off?
It's Tesa 4289, which I think is the one generally used for rim tape?
Happy to be patronised! It's not a case of trying to get the tyre off, can't even move the tyre bead away from the rim to the middle or anywhere else!
Try harder! That's the same tape I've used on mine and the glue isn't that strong.
Probably a really good bead/rim interface, can cause an airlock effect, have you taken the valve core out to let the air out?
Brute force and ignorance required...
No valve core to remove as I have a tube in there.
Will try harder and see if sobbing helps...
It's not a tape issue it's the tyre bead seating and doing it's job well. It'll come off, just try harder and swear at it
Put a little air in it say 5psi and put the wheel on the ground on its side and stand on the tyre. That's the only wsy i can break the beed on my fatbike
Thanks all, will try that air/ground approach If I can't shift it.
Is there a thread covering "what swear words for bead removal"?
At least I've found out now, rather than 20miles from home on a rainy afternoon
Tesa 4289 is thick tubeless tape, thick as 2 layers compared to some others. If it's wide enough that it goes up the side of the rim then with certain rim/tyre combinations you will have a really tight fitting tyre that's going to be really hard to get off. Maybe for this tyre/rim combo use a thinner tape or if have a narrower tape then just tape up the centre of the rim. I had some Hans Dampf and the only way to get them off was to lay the wheel flat, stand on the tyre and pull rim up with both hands.
Weirdly though, despite the tape being thick, getting the tyre on was no trouble at all.
No valve core to remove as I have a tube in there.
The valves on an inner tube still have a removable core. You should remove it to ensure the partially inflated tube is not preventing the tyre bead from unseating…
It won't have anything to do with the tape.
Is it a WTB tyre? Put the wheel on the ground and stand on the tyre to break the bead.
Weirdly though, despite the tape being thick, getting the tyre on was no trouble at all.
That probably says more about the depth of the rim channel than the thickness of tape
As others say, it's probably just locked in place very well rather than glued by the tape
A little soapy water may help if you can get it into the bead interface, but on the other hand that may just make it impossible to grip the tyre while you are trying to remove it
Brute force was going nowhere.
Tyre was worn out so sacrificed it and cut it off. Even pulling at remains of tyre and bead won't shift it.
Have been able to remove the tape from one side of rim, so tape has had nothing to do with it.
The wire bead has popped onto the rim so tightly that nothing will shift it, even pulling with pliers etc, so trying to nibble through metal bead is only option left.
Sounds like the bead was/is locked into the rim, more brute force required, once the first bit pops out the rest should follow quite easily.
Afraid I had to resort to needle nose pliers and snips.
Brute force was tricky as nothing to grab onto. It was so stuck on that trying to pull the tyre meant the tyre was coming apart before the bead would shift. Only thing that could get inbetween the rim and the bead was a screw driver and trying to prise off with that was damanging the rim.
Finally got it off and now have folding tyres on there, so going to test later to see if I can get those off by hand/tyre lever. If not, i'll be sacking off the rims, no point having a tyre you can't shift mid-ride.
A vice can come in handy here if you've got one.
Nip the tyre in up to the rim then tilt the wheel over one way.
I've removed a couple of stubborn little buggers this way.
Every so often I think maybe I should try tubeless one of these days. I'll leave it a bit longer.
The OPs problem wasn't because he was going tubeless, it was because he wasn't tubeless.
What tyres and what rim out of interest? I’ve had a few DH casing tyres that have needed standing on the tyre / being a bit brutal with a bead dropper - but never had to resort to cutting a tyre off. But none of my tyres had a wire bead. I’ve heard Wtb tyres can be bad to get off but I don’t have any of theme
Its normally a tyre/rim compatibility issue, as tubeless standards are not quite standard, as different manufacturers have different opinions on bead seat diameter, some of which end up being a rather tight interference fit.
Had something like this with a tubeless tyre a while ago, used a vice as suggested above.
Wasn't a Michelin was it?
Every so often I think maybe I should try tubeless one of these days. I’ll leave it a bit longer.
Yet thousands of people use tubeless successfully and get virtually no punctures, but perhaps they don't post about it.
I converted a Hunt wheelset 6 months ago. It quite literally took less than 10 minutes per wheel. It went up straight away, no compressor, no soapy water, nothing. It loses virtually zero pressure (I don't understand how but not complaining). Not done anything for 6 months although I might dedicate 90 seconds to topping up the sealant.
For MTB, there is no excuse for using tubes.
wire bead
If it's really a wire bead rather than Kevlar then I can imagine it could well be a nightmare to remove from a tight rim.
Removing a Big Betty with bike park casing and wire bead from an ex 471. Fun times 🥵
Went up a treat tubeless though.