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Originally Posted by 1989Pre
(Post 22819253)
Well, I mounted my first set of tubular tires. I did not get them as straight-as-an-arrow... https://cimg9.ibsrv.net/gimg/bikefor...b1e9fb965c.jpg The front looks pretty much okey-dokey. DD |
:lol: You can’t be serious. 😇 Do over. You can do much much better. You have 4 months.
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Originally Posted by Drillium Dude
(Post 22819310)
Were it me, I'd tear the rear off and re-center it - seriously. If you make a decently-committed hard left turn, I fear you're gonna be cornering on the sidewall - not good. For your own sake, center that tread!
The front looks pretty much okey-dokey. DD |
Originally Posted by Classtime
(Post 22819328)
:lol: You can’t be serious. 😇 Do over. You can do much much better. You have 4 months.
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Minimize pressure, then lift and adjust evey 6 inches or less. Check for uniform exposure of the base tape side to side.
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Yep. Go round and round, spin to check, make some adjustments, repeat til your satisfied.
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Originally Posted by SJX426
(Post 22819437)
Minimize pressure, then lift and adjust evey 6 inches or less. Check for uniform exposure of the base tape side to side.
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Originally Posted by Classtime
(Post 22819443)
Yep. Go round and round, spin to check, make some adjustments, repeat til your satisfied.
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Don’t give up so easily. I’ve only used Continental and Vittoria glues. What are you using? And I don’t think tire irons can be used to good effect. You want to stretch as you go and if you run out of tire, start over and stretch more forcefully. Watch some Videos. I think Continentals are the tightest and yours don’t look like them.
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I'm just going to mention tape:
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Originally Posted by Classtime
(Post 22819618)
Don’t give up so easily. I’ve only used Continental and Vittoria glues. What are you using? And I don’t think tire irons can be used to good effect. You want to stretch as you go and if you run out of tire, start over and stretch more forcefully. Watch some Videos. I think Continentals are the tightest and yours don’t look like them.
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The Continental guy is a monster and he needs to put his weight into it. You can’t see they all are really leaning into it. I may have already mentioned that I have watched guys change a taped tubular and I would sooner go tubeless. |
If I use fresh glue when ready to mount I end up with a big mess.
If let it sit for a while (30-45mins?) until it's just a little tacky I have better luck. Some tires are just really tight, especially if they haven't been prestretched, and have to be wrestled on. Jim in Mpls |
Originally Posted by 1989Pre
(Post 22819669)
Thanks for the good word (it appears you've stopped laughing). I am using Continental glue. In videos I have seen, the tire fits almost effortlessly onto the rim.
After mounting, I tend to blow my tires to about 20psi/1.5bar and put the wheels in a stand and straighten the mount out before I inflate to full pressure. At this low pressure, it's fairly easy to lift the tire where the position is unsatisfactory and nudge to the necessary side. Based on what has been written here about tape, I think I'll give that a pass. My only rolled tires were from Tubasti (never again), and Conti where the tire was underinflated; words from painful experience: if riding unsupported, always take your own pump to a meet, any you borrow will be less-than-functional. The two major glues (Conti, and Viit Mastik 1) work very well, and are not that hard to use. |
"If you're mounting tires with tough casings such as Conti Sprinters, it will always be a bear to get them on."
These have "hard-case lite", so maybe that is a factor. "At this low pressure, it's fairly easy to lift the tire where the position is unsatisfactory and nudge to the necessary side." This is not what I am experiencing. What I am seeing is basically a tire riveted into position by the glue and the tight fit. I did attempt to pre-stretch them on dry rims for a few days. I really think the glue made the tires less-pliable. I'll give it another shot tomorrow (today has already been busy). If I can't get them straight, I'll go to tape. |
Originally Posted by jingy2
(Post 22819774)
If I use fresh glue when ready to mount I end up with a big mess.
If let it sit for a while (30-45mins?) until it's just a little tacky I have better luck. Some tires are just really tight, especially if they haven't been prestretched, and have to be wrestled on. Jim in Mpls |
Originally Posted by Aardwolf
(Post 22819644)
I'm just going to mention tape:).
Glue people don't like tape because it's harder to install a spare on the road, messier to remove, and it's not traditional. They also enjoy having the experience and skills to glue it right. |
That team mechanic is mounting Continental Comps which in my experience are as tight as Sprinters and maybe more delicate in the base tape dept. Notice the guy off to the left pre-stretching😧
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Originally Posted by Classtime
(Post 22819965)
That team mechanic is mounting Continental Comps which in my experience are as tight as Sprinters and maybe more delicate in the base tape dept. Notice the guy off to the left pre-stretching😧
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Originally Posted by DiabloScott
(Post 22819955)
Tape people like that it's easy to install a new tire on a new rim, and that there's no glue mess, and that it's easy to get a tire on there really straight, and pretty hard to screw up.
Glue people don't like tape because it's harder to install a spare on the road, messier to remove, and it's not traditional. They also enjoy having the experience and skills to glue it right. |
Originally Posted by 1989Pre
(Post 22819465)
Maybe I should have just used tape, instead of three coats of glue. It took me three (3) tire levers to get these tires on, because the glue I put on them seems to have prevented the tires from stretching onto the rim. DD |
Originally Posted by Aardwolf
(Post 22819644)
I'm just going to mention tape:
Good luck! DD |
Originally Posted by DiabloScott
(Post 22819955)
Glue people don't like tape because... it's not traditional. They also enjoy having the experience and skills to glue it right.
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Originally Posted by 1989Pre
(Post 22819937)
"At this low pressure, it's fairly easy to lift the tire where the position is unsatisfactory and nudge to the necessary side."
This is not what I am experiencing. What I am seeing is basically a tire riveted into position by the glue and the tight fit. |
Originally Posted by MooneyBloke
(Post 22819802)
...if riding unsupported, always take your own pump to a meet, any you borrow will be less-than-functional. The two major glues (Conti, and Viit Mastik 1) work very well, and are not that hard to use.
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Originally Posted by MooneyBloke
(Post 22820086)
Please don't take this as ageism, but are you dealing with arthritis, injuries, or other strength issues in your hands? I've been mounting sew-ups for forty years or so, and despite not having extraordinary strong hands, I can reposition my tires right after mounting. I do leave the last glue somewhat wet when I mount the tire, and once I'm happy with the placement, I leave the wheel over-night for the bond to establish.
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Originally Posted by 1989Pre
(Post 22820093)
You mentioned letting the final coat of glue dry.
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Originally Posted by 1989Pre
(Post 22820088)
Do you mean a floor pump? Why would other presta pumps (frame or mini) be any different from mine?
Happily, I don't ride crashateriums these days, but I still would rather not rely on anyone else's pump to save my bacon. |
No more glue!
Get your tire on straight. Pump it up to 100psi and try to roll it off. If you can’t then leave it til Summer. |
Other than the reported issue with replacing a flat on the road, I don't understand the aversion to tape - a process I learned from Monty Young, patron saint of Condor Cycles, back in the mid-90s. I've always used tape, ride my bikes hard, and have never had a tire roll or creep on me. If it's indeed easier to remove a glued tubular on the side of the road, then why wouldn't it be more likely to roll when in use compared to a taped tire?
I noted up there a few posts ago the concern of the tires rolling because tape is assumed inferior to glue - yet in the same post, there's talk of two glued tires rolling. Hmmm....interesting. Also, if it's a fact that taped tires are hard to remove after a flat during a ride, well, why worry your cornering is going to roll it off? Tape's been around for a long, long time. If it didn't work as advertised, it wouldn't still be available today. Personally, I don't mind what people prefer, but to give anecdotal advice supporting a preference without having been down both roads reads more like "I use glue, so glue is best - anything else is dangerous". That's simply not true. Lastly, for those having issues getting the tire straight before the glue takes a set, tape will cure that, pronto. There's no stick until you remove the protective film, so you can adjust to your heart's content without fear of the tire sticking in place before you've got it oriented to your satisfaction. Having said all that, I don't consider my using tape the only way to do it; it's obvious glue gets the job done just as well (since I've never glued, I can't say from my own perspective - but the results don't lie: glue works - but so does tape). But tape is superior in ensuring a dead-straight mounting without having to wrestle with drying glue - a godsend for older folk (I'm one of them) who are experiencing pain and/or loss of strength from a lifetime of using and abusing les mains. DD |
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