Tubeless tire blisters

That's what the lbs did to mine !

wtjs wrote:

HP is a worthy source of advice about things to avoid- I have taken note of the radical Ultegra Pasta Cranks, and now it's the delaminating tubeless super-techno graphene tubeless tyres with aero-blisters which confirm my decision to stick with boring old tubes and Schwalbe Marathon Plus. I'm sure they're slower but it doesn't make much difference while towing a trailer round the Lakes, and I haven't had a puncture for over a year

I've had zero problems with Conti GP 5000TLs (running tubeless). Schwalbe Marathon Plus are a good way of avoiding the p-word, but they're heavy and aren't very flexible.

I'd agree with the Conti GP 5000's as I've had them on my bike since last year. Had Hutchinson before that (forget which one,but my 1st tubeless tyre) and they were good too,but seemed to cut up easy and wore down quicker than I was expecting.. I'm only 70kg,although still have the rear at 100psi.

wtjs wrote:

HP is a worthy source of advice about things to avoid- I have taken note of the radical Ultegra Pasta Cranks, and now it's the delaminating super-techno graphene tubeless tyres with aero-blisters which confirm my decision to stick with boring old tubes and Schwalbe Marathon Plus. 

Are you somehow under the impression that boring tubed tyres never have delamination issues or other manufacturing defects?

Are you somehow under the impression that boring tubed tyres never have delamination issues or other manufacturing defects?

That depends on whether, in your superior way, you discount as 'hearsay' the experience of a 70 year old cyclist who is just back from cycling around the lakes with a heavy trailer and has previously carried bike and equipment from Zermatt over the glacier to the Theodulpass and down to Cervinia etc etc. I call that 'experience' and I've never experienced a delaminated tyre. I've had them wear through due to excessive economising and found that you can solve that with pieces of old tyre or tough polymer like x-ray film, but never had blebs like those.

I like the idea of x-ray film as tyre boots.

I have seen fully exposed and developed sheets used to view eclipses.

In several lab jobs I was the unfortunate responsible for maintaining the developer, weeklyish cleaning and refreshing the chemicals. Darkrooms are never well ventilated.

The service engineers referred to the chemicals as "the chemistry" which I always appreciated.

I like that we use gel doc systems now, though the sensitivity you could get...

X-ray film is useful for hooking over the tyre bead, but it can't cope with much curvature and forms sharp folds. Old tyre sidewall is the other part of my tyre repair kit kept at the bottom of the tool 'bottle' carried in one of the bottle cages. Interestingly, I saw a bulge on the sidewall of the 20" tyre on my new Halfords Intercity folder when I pumped it up hard for testing purposes (not a delamination). However, the problem was soon cured by taking the tyre off and centre-ing the rim tape and seating the tyre properly. I do that on a new bike anyway, as well as slackening the cones which always seem that little bit too tight.

wtjs wrote:

That depends on whether, in your superior way, you discount as 'hearsay' the experience of a 70 year old cyclist who is just back from cycling around the lakes with a heavy trailer and has previously carried bike and equipment from Zermatt over the glacier to the Theodulpass and down to Cervinia etc etc. I call that 'experience' and I've never experienced a delaminated tyre. I've had them wear through due to excessive economising and found that you can solve that with pieces of old tyre or tough polymer like x-ray film, but never had blebs like those.

That's not hearsay but it's also not relevant. You are discounting the entire technology of tubless as defective because someone has had one issue on one set of tyres. It doesn't matter that you've had no issues with tubed tyres, if someone out there has had an issue then clearly they are also defective.

I've never experienced a delamainated tyre, either while running tubeless or running tubes. That you haven't does not mean no one ever has.

I did run a schwalbe tyre tubeless until the canvass was showing at one spot, which was a bit of a shock while touring in Belgium. It didn't fail and, amazingly, was still air tight.

I put the issue down to lifting rhe rear wheel to gear shirt while at the lights, and dropping without braking first. Now I make sure I always apply brakes before lowering wheel. Never had a tyre on the bike long enough to wear through the rubber before, but this tubless tyre lasted many thousands of kms

That you haven't does not mean no one ever has

What is the cause of this wave of misattribution? Is it a manifestation the Trump 'alternative truth' phenomenon. The fact that I was thanking HP for confirming another potential fault indicates that I was not suggesting he or the OP were making the story up -like his 'bogus pasta cranks whistleblowing'! Clearly these faults are rare- the great majority of bonded Ultegra cranks are probably still working away un-fractured. The entertaining thing about these blebs is that they were in super-nano-tech graphene tubeless tyres. 

Wingguy wrote:

Are you somehow under the impression that boring tubed tyres never have delamination issues or other manufacturing defects?

I'd be surprised to see delamination on tubed tyres as there shouldn't be any noticeable air pressure against the inside of the tyre to push apart the layers. Yes, the inner tube will be pressing against the inside, but it will distribute pressure over any tyre defects so even if there is delamination, it's unlikely to be visible as there won't be blisters.

hawkinspeter wrote:

I'd be surprised to see delamination on tubed tyres as there shouldn't be any noticeable air pressure against the inside of the tyre to push apart the layers. Yes, the inner tube will be pressing against the inside, but it will distribute pressure over any tyre defects so even if there is delamination, it's unlikely to be visible as there won't be blisters.

The (AFAIK) oldest and still moderately widespread method of constructing tyres is to glue a tread cap on top of a cotton casing. They can certainly delaminate. Vulcanised tyres probably not, but they are for sure susceptible to other manufacturing defects. Everything is.

hirsute wrote:

I have had blisters before. The lbs said not to worry but I can't recall the reason.

 

didn't they try selling you better gloves or shorts to prevent re-occurance?

I've experienced blisters on Pirelli Cinturato Velo tubeless too.  It was at 3500 miles  on the rear so I put it down to reaching end of servicable life.