Tubeless-OK clincher tires?
Hi Everybody:
I'm asking about something you should officially not do: Put road clincher tires that don't claim to be tubeless onto tubeless ready rims, in goes the sealant and you ride. The reason I ask is that 1) I'm a cheapskate and 2) hold my beer. So I'm not asking about why I should not do this thing, I've already decided to do it on a set of road wheels. My question is, has anybody done this successfully? I'll just say as a use case: Conti 5000 or Pirelli Race Zero (not the tubeless varieties) run as a tubeless tire. Both of these fine tires feature a bead that locks into a hooked rim, and they lock very firmly into the rims I have. Which they did not do back in the day when nothing was tubeless-ready. I wouldn't be surprised if manufacturers only made a single kind of tire these days and badged them differently.
A really helpful answer would be like : "I did this for a few months last year and was (happy/unhappy) with it for the following reasons". If really no adventurous souls have tried it you'll hear back from me in a few months. Cheers, Jon. |
"I did this for a few months last year and was (happy/unhappy) with it for the following reasons".
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Originally Posted by Atlas Shrugged
(Post 22750262)
"I did this for a few months last year and was (happy/unhappy) with it for the following reasons".
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Ignore list
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If you are going to come in and say just mirror me and tell me exactly what I want to hear you might just record yourself and play it back for yourself. There is really nothing to be gained on a 25c tire that is not designed to be tubeless going tubeless. If you are going to do it then go do it. No need to have people say "you should really definitely do it and those people saying negative things are bad" you know what you want to hear and you have already heard it from yourself the only person that really matters in this case.
The only reason I run a 25c tire anymore is because the 28c tire rubs the original paint on my Phil Wood back at the rear and I don't really care for mismatched tires. However I don't ride the bike super often. On a bike I rode often 28c is the narrowest I would go and only for reasons of frame clearance again. |
Originally Posted by jesnow
(Post 22750286)
I worship at the feet of your very helpful cycling savvy. I keep wondering why every time I come back to these forums and ask for help, such geniuses as yourself always answer first. I think maybe the sport of cycling attracts people like your very estimable self, because it's less common in the other communities I'm a part of. In this forum, there appear to be people who lurk on the "posts with no replies" just so that they can provide such wisdom within minutes. Thus taking away the "unreplied" status from a thread. These people are very very helpful, and show the very best side of the sport of cycling. And their own wisdom too. So many thanks.
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tubeless specific tires have different sidewalls (stiffer) than non tubleless and end up being heavier (you can see the weight difference in the spec (gp5000 about 50 gram difference)
as in all things bike and in life you may be able to make do, but you will better results using products/models designed for what you want to do this falls in the pennywise, pound foolish area and OP will find that trying to dictate the discussion is futile |
Wear some ear protection when you go to inflate them and do it somewhere you don't mind getting sealant everywhere.
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Originally Posted by jesnow
(Post 22750286)
I worship at the feet of your very helpful cycling savvy. I keep wondering why every time I come back to these forums and ask for help, such geniuses as yourself always answer first. I think maybe the sport of cycling attracts people like your very estimable self, because it's less common in the other communities I'm a part of. In this forum, there appear to be people who lurk on the "posts with no replies" just so that they can provide such wisdom within minutes. Thus taking away the "unreplied" status from a thread. These people are very very helpful, and show the very best side of the sport of cycling. And their own wisdom too. So many thanks.
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Originally Posted by Canker
(Post 22750503)
Wear some ear protection when you go to inflate them and do it somewhere you don't mind getting sealant everywhere.
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Originally Posted by Eric F
(Post 22750556)
I'm not following you. I put less pressure in tubeless tires than I do with tubed tires.
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Originally Posted by Canker
(Post 22750503)
Wear some ear protection when you go to inflate them and do it somewhere you don't mind getting sealant everywhere.
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I can't see the original post, but I'm pretty sure it affirms a decision that I made a while back:
https://cimg5.ibsrv.net/gimg/bikefor...4ea667ad0b.png |
OK so far the consensus is "You shouldn't do that" (Unhelpful answer #1) and "your an idiot"(sic) (Unhelpful answer #2). The rest (with one exception) is just supposition, which the ignorant/toxic often offer in place of facts. But you can't be surprised by this stuff, these are cycling forums after all, known for the ignorant and the toxic opining freely. I'm not asking if I should or shouldn't do it, I'm asking has anybody *done* it, and if so what was their experience. If the answer is "no I didn't" then why don't you just not reply, Hmmm?
Cheers, Jon. |
Originally Posted by Koyote
(Post 22750623)
I can't see the original post, but I'm pretty sure it affirms a decision that I made a while back:
Cheers, Jon. |
Originally Posted by jesnow
(Post 22750629)
OK so far the consensus is "You shouldn't do that" (Unhelpful answer #1) and "your an idiot"(sic) (Unhelpful answer #2). The rest (with one exception) is just supposition, which the ignorant/toxic often offer in place of facts. But you can't be surprised by this stuff, these are cycling forums after all, known for the ignorant and the toxic opining freely. I'm not asking if I should or shouldn't do it, I'm asking has anybody *done* it, and if so what was their experience. If the answer is "no I didn't" then why don't you just not reply, Hmmm?
Cheers, Jon. If you want to do this go ahead and do it you seem to be going to do it anyway so just do it and don't be combative here. If it works for you, great you got lucky and if it doesn't then you know why we said what we said. |
Originally Posted by jesnow
(Post 22750629)
I'm not asking if I should or shouldn't do it, I'm asking has anybody *done* it, and if so what was their experience. If the answer is "no I didn't" then why don't you just not reply, Hmmm?
If you had asked the question more diplomatically, I'd say that no, I haven't done it. But what you're proposing to do is asking for trouble... I don't know if it's a 1% chance of a blowout or a 50% chance and neither does anybody else... even if they have done it. Although I don't recall hearing horror stories about this specific issue - and I think I would've heard them. Here's one you can take to the bank though - if the tire packaging says "requires hook bead rims" then you better pay attention. Continental recommends that you mount bicycle tyres on hook edge type rims only. Hook edge type rims provide a more secure hold, especially with air pressures exceeding 44 PSI (3 bar). These advantages are safety-relevant. From 73 PSI (5 bar) onwards, the hook edge type rims are even stipulated by the ETRTO guideline |
Hmmm.
I thought the OP asked a very specific question looking for a very specific answer. One which I thought was pretty interesting. Don’t understand the diatribe. At all. |
Originally Posted by rccardr
(Post 22750739)
Hmmm.
I thought the OP asked a very specific question looking for a very specific answer. One which I thought was pretty interesting. Don’t understand the diatribe. At all. |
After reading your rant on the other thread, I have to point out a few things if you don't mind. This is a discussion board. Discussions often take tangents and include conjecture in addition to facts. While I understand you asked for something specific and got answers that are not within that narrow scope, most discussions go this way. Part of it is because some people feel the need to chime in on almost anything. Part of it is because they want to form hypotheses on the situations, especially if solid evidence is absent. As you can see, real world applications for your questions have been rare. That could mean you're innovative beyond the rest of us, or it could mean nobody else is willing to take the risks. Either way, they're the only types of responses you have gotten because others haven't had the mind or guts to try it. Also note that your two controversial questions revolve around items which carry a crucial responsibility of safety. People responding could very well feel an obligation to speak up considering how catastrophic a failure of the wheel or tire could be.
Finally, while your attempt at limiting the scope of responses might have been well intended, it probably came across as a dare or challenge to people who feel you're being condescending or manipulating an otherwise open discussion. This forum has a wide variety of personalities, and you're bound to draw out a little bit of all of them. You're just putting the spotlight on the ones you consider to be undesirable. |
I've mounted some Schwalbe non-tubeless on tubeless carbon rims successfully. That isn't a data point, unless you plan to mount the exact same size and model tire on the exact same rim I did.
Continental non-tubeless tires definitely mount much easier than their tubeless. You'll find out it didn't work when you're descending at 45 mph when the tire burps and you crash terribly. |
For reference OP also posited the idea of sanding rims down to fit tire, which in the end seemed to work for OP's use https://www.bikeforums.net/bicycle-m...them-down.html which had lively discussion
It seems like OP also had some not good things happen (not due to the sanding the rim) and I hope all is well IMHO there is a big difference between innovative and potentially dangerous, cheap and "the cost difference is so little over time why not use the correct tire" I personally call those out and I don't think that is mean or off topic If an OP chooses to do their own thing and take the risks associated so be it, but hopefully with open eye Form follows function, there are reasons Tubeless specific tires are built differently (performance with out the tube, staying on the rim etc) |
Originally Posted by jesnow
(Post 22750239)
I wouldn't be surprised if manufacturers only made a single kind of tire these days and badged them differently.
Jon. |
Originally Posted by Kontact
(Post 22750937)
I've mounted some Schwalbe non-tubeless on tubeless carbon rims successfully. That isn't a data point, unless you plan to mount the exact same size and model tire on the exact same rim I did.
Continental non-tubeless tires definitely mount much easier than their tubeless. You'll find out it didn't work when you're descending at 45 mph when the tire burps and you crash terribly. Cheers, Jon. |
Originally Posted by jesnow
(Post 22751365)
Thank you! Having a burp at 45 certainly would be a bad thing. But my understanding is burping is something underinflated CX and MTB tires do. If there's really a chance of road tires burping I'm never ever going tubeless. But I personally have never heard of such a thing. Are you serious that you've heard of road tires burping?
Cheers, Jon. There are several people on C&V forum who have stated that they moved to tubular as a result of a clincher flat at speed causing a crash due tire coming off the rim |
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