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Old 10-19-22 | 01:56 PM
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Classtime , nice, America , the country of all possibilities. Where i live tubulars are not so popular, so all the online shop from my country doesn't stock them . Even for those Strada , they have only 2 😅😅, but i can buy Rally or whatever from bike24 and 10$ shipping cost.I have a little work on the frame, wating for new frewheel, pads go to bikeshop to redish the wheel , cold set frame , buy new axle maybe....and guess what? - Black Friday will come🤣🤣. Thanks Sorin.
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Old 10-19-22 | 02:46 PM
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Originally Posted by EVlove
The 25mm Rally pre-stretching at what my crummy foot pump claims is 80 psi. These old rims are of course narrow, 20mm outside-outside, so the cloth is showing. Too much?
I've never even thought about that excess tape and I am sure I've display plenty to the world in my 25 years of exclusive tubular riding. The tire doesn't care. The bike doesn't care. Just you and other cyclists. (No one else is going to notice.) If your brake pad sneaks up a little (those darned centerpull/sidepull/dual pivot pads love to as they wear, the canti pads prefer the spokes) it will now be contacting sacrificial tape, not sidewall.
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Old 10-19-22 | 03:08 PM
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Originally Posted by squirtdad
The tool for mounting tires that I've had forever but just realized its best use is my el-cheapo truing stand with its flat bar construction and feet. Bolt my wheel in with the tire also running through the stand. Start with the valve at 6 o'clock. Grab the tire with each hand about 14" away from the valve. Standing on the stand's feet, I pull outward and up. When that first 10" or so are well centered and stuck, I do the same with the next portion. Final is the usual struggle but even there, the stand and being able to pull up hard makes it easier. And best part? That pulling is done with some of your body's strongest muscles.

My other trick is about 2 feet of 2x4 clamped in a bench vise. I lay the top of the inside-out tubular tread down on the 2x4, hanging down both ends. Glue tape, move 2 feet and repeat. With these two tricks, mounting has never been easier.

Oh, pre-stretching - need varies a lot by tire model and manufacturer. Some require it, others don't. Even the ones I don't pre-stretch, I mount on a dry rim before gluing to get a feel for how hard that tire needs to be stretched. Too much stretch or tool little for the first portion of the mount makes for a tire with larger and smaller diameters. (The fabric doesn't stretch much, it mostly just necks down.)
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Old 10-19-22 | 03:44 PM
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So, thanks to the advise from all, I have new tires front and rear. The rear, which was the first I've attempted in a bit, I got glue everywhere. Vittoria glue is much more runny than Clement.

Anyway, on the rim I used paint thinner, took it right off. On the sidewall, its pretty ugly. I'm reluctant to use anything because I don''t want to chemically weaken the structure. Unless someone recommends it.

Anyone?
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Old 10-21-22 | 06:55 PM
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Originally Posted by EVlove
Didn't have time for the bearings but they feel reasonably smooth as-is, so a clean and regrease should do.

Like warm BUTTER!

Originally Posted by EVlove

Now the dirt is gone the gluing surface looks pretty good to me. Sorry, not quite in focus. Still too much residue?
Nah, that's good - so long as it's not bumpy.
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Old 10-25-22 | 05:56 AM
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Some of you have probably seen my 1971 Bianchi build - Bike Forums. Several years ago, I found an add on CL a batch of NISI TORO rims.
Fopr the Bianchi, I finally purchased spokes after years of procrastination. Did the measure of ERD to be sure as I could not find specs for the NISI.
Built them up last week and will mount 25 Vittori Corsa G+ on them. They are not glued in the pic.
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Old 10-30-22 | 04:27 PM
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Changing rolling direction of used tubular


I got a cut on the tread of this tire. And it's opening up when I scrape the tire with my thumb. So I'm sure it will load up with debris as I ride. So my thought was to remove the tire and glue down the tread then remount it so it rolls in the opposite direction. Is there anything wrong with this approach? It's on its third season but this bike is not my regular ride. Thanks
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Old 10-30-22 | 05:07 PM
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I'd glue that tab down with Shoe Goo. After that, direction will hardly matter.

Is that a lump I am seeing on the far side directly above the cut? Looks like there might be cut cord under the tab. In fact, it looks like there is a diagonal raised and slightly lighter in color stripe running under/through the cut. I'm guessing that the casing cord runs exactly at that angle and some strands have broken or been cut. If it were mine, I'd limit that tires miles to rides I had spares for and don't mind changing it or within the limits of patience of my ride service. (And my luck/belief - limit the tire to that and it will last me many more miles but a solo century would probably be its last ride. And I'm getting too old for those epic days.)
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Old 10-30-22 | 08:53 PM
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Good observation! The lump is actually a spot where the tread is separating from the casing. The casing is is holding up great which is why I want to get many more miles on this set. I've only flatted once on the road with this set, put on my butyl spare training tire, but once home I used the Stans and remounted the tire. Works like a charm. (well two months later I needed to refresh the sealant).
So shoe goo is the way to go? I was just thinking vulcanizing cement like in the patch kit. Thanks!
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Old 10-30-22 | 10:15 PM
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Originally Posted by HM70
Good observation! The lump is actually a spot where the tread is separating from the casing. The casing is is holding up great which is why I want to get many more miles on this set. I've only flatted once on the road with this set, put on my butyl spare training tire, but once home I used the Stans and remounted the tire. Works like a charm. (well two months later I needed to refresh the sealant).
So shoe goo is the way to go? I was just thinking vulcanizing cement like in the patch kit. Thanks!
Shoe Goo isn't a miracle but it should work, doesn't do any harm and should keep debris out. Never considered patch kit cement. It'd be fun to run a tire with two of those flaps and try each approach side by side.
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Old 10-31-22 | 09:43 AM
  #2461  
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Originally Posted by HM70

I got a cut on the tread of this tire. And it's opening up when I scrape the tire with my thumb. So I'm sure it will load up with debris as I ride. So my thought was to remove the tire and glue down the tread then remount it so it rolls in the opposite direction. Is there anything wrong with this approach? It's on its third season but this bike is not my regular ride. Thanks
I am seeing convex curvature on both sides of this tire.
I strongly suspect that the casing here is suffering an outer-ply failure, which is why the casing bulges on each side, but in different locations coinciding with the diagonal path of the outer ply's cords.
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Old 10-31-22 | 06:31 PM
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After double checking I'm pretty sure the casing is still good. The tread has become separated near the slice but that occurred before the slice. Though I ride at 89 psi I pumped it up to 115 with no signs of bulging. Tire is a Challenge Strada 28x24. Thanks for noticing.
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Old 10-31-22 | 06:55 PM
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Tread separation is a known problem with Challenge tires (tubular and clincher). It would seem they've yet to solve it, though one never knows how old a tire is. It's not like they have a "use by" date stamped on them.
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Old 11-02-22 | 07:43 AM
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Storing Spare Tubs

I guess I seldom have new tubs hanging around, but just now I have 2 new Sprinters on spare GL330s inflated to 50psi.

How long do people store sewups this way, or once stretched do they fold them and put them back in the box. I’m inclined to leave them on the stretching rims indefinitely, periodically checking pressure.
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Old 11-02-22 | 09:34 AM
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When I take them off the rims, they go back to pre-stretched condition. Especially Sprinters. Luv that Sprinter-330 combo..
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Old 11-02-22 | 11:47 AM
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I guess I was wondering what the detriment of the basement environment and always being partially inflated would be on the tires as opposed to being put back in their box. Inflating them and hanging them, I have shown myself that they hold air.
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Old 11-02-22 | 02:28 PM
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Originally Posted by gkamieneski
I guess I was wondering what the detriment of the basement environment and always being partially inflated would be on the tires as opposed to being put back in their box. Inflating them and hanging them, I have shown myself that they hold air.
I have a spare, unlaced Ambrosio rim, so I always have a brand new Conti mounted on it. Inflated. Never looses air.
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Old 11-02-22 | 03:46 PM
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I made a rack that holds tires in an oval like a long skinny auto racing track. Roughly 33 1/2" by 7". Holds about 20 tires. I put a gap in the center so you can drop a middle tire into the gap and easily work it past the rest to get it off and leave the rest undisturbed. Tires aren't "stretched" but do have all wrinkles and creases pulled out. Hanging in the garage out of any sunlight. My guess is that tires stored there should last until the rubber fails from ozone. (Plenty of powered shop tools but no house-hold motors or pumps. No engines of any sort,)

Now I just have to start building some more wheels to put them on. I'd like to have two pairs available per bike. GP4 and GEL330 or older Arc en Ciel. Biggest tire (or 28c+) that the bike can handle and a sweet and fast lighter tire. Sadly, one bike is stalled because that bike needs a rim with a deep sidewall. I picked up several Mavic CXP30s but the seller has misplaced the special washers they need for the spokes (and when Mavic announced the retirement of that rim, he bought all of Mavic's stock). So if anyone here has 64 or 96 or so of those washers lying around and generally getting in the way, I'll take them off their hands. (For the TiCycles fix gear of my avatar photo. I slide the wheel the entire length of the dropout to run from 12 to 14 teeth. Pad height relative to the rim changes a lot. Velocity Aeros have just enough depth to work. (No accident. The dropout angle was chosen so they would work.) GP4s and the like needn't even apply for the job.

I could cuss out the seller but he has done a lot for me. I knew what I was getting into and he added (at real cost but peanuts vs value) a pair of GEL330 wheels he built for his step daughter to take to the track nationals. Gorgeous gold Japanese track hub, double sided (I'd have to go out and look to recall the name but absolutely top of the line) built by a master wheel builder (him) with spokes tied and soldered perfectly. They've been ridden but never seen either pavement or a brake shoe. I'll be desecrating them taking them on the road, but I'll also be riding them in honor of a woman I consider a warrior and almost a sister. I've both watched and heard from her step dad how hard she worked to return to top form after nasty crashes. (I've been there.) She's retired from racing, the velodrome has been sold and will be ripped up. Her step dad's retired. And her wheels will go on under someone who knows what they are and cares where they came from. I think the gods will approve. (I've got Corsa Speed 25cs to glue on. I think they'd approve of that also.)
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Old 11-04-22 | 12:56 AM
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Totally Tubular

New sew-up wheels and tires:



Vittoria Corsa Control sew-ups

I saw a pair of unused tubular wheels on ebay, at the bargain price of $109. Silly me. Long story short - both were dished wrong, pulled an eyelet on the rear Weinmann Carrera, and replaced it with a FiR ST120. The Vittoria Corsa Control Graphene 2.0 front 30mm measures at 29, and the rear 28mm measures at 26, which gives me 4 to 5mm of clearance instead of 2 to 3.

The Zeus hubs are really graceful looking, and I went ahead and bought a Regina Oro French threaded freewheel (!) to be able to ride them. It needs a spacer, which I have, and the day after tomorrow is supposed to be sunny...
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Old 11-06-22 | 09:52 AM
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New Tufo S33 Pro-s for the upcoming season. Imo the best cheap tubulars out there.

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Old 11-06-22 | 04:56 PM
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Merlin has some good prices today

veloflex raven 28 mm $44 https://www.merlincycles.com/en-us/v...0c-200100.html


of course there is shipping at 25 bucks or so
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Old 11-06-22 | 06:31 PM
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squirtdad I've seen Rally's priced higher than those Veleflex Raven tubulars! That's a great deal.

Speaking of which--- I Know it's a RALLY. Is it Worth Regluing the Base Tape?

I was finally able to replace the broken spokes on my vintage Roval rear wheel. Thanks to seagrade I received replacements from New Zealand!

Of course I had to demount the Vittoria Rally to replace the spokes. When I got ready to remount the tire, I noticed the base tape separating from the tire casing. Upon closer inspection, I realized the tape was coming off the complete circumference of the tire on both sides. Interestingly, the center, over the seam, remains glued securely.



Is it worth regluing? If so, regular tubular glue or something different?

At the time, I set this Rally aside and mounted a new one I had and the wheels are ready to go back on my Lotus Super Pro Aero.
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Old 11-06-22 | 06:39 PM
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Originally Posted by squirtdad
Merlin has some good prices today

veloflex raven 28 mm $44 https://www.merlincycles.com/en-us/v...0c-200100.html


of course there is shipping at 25 bucks or so
just ordered - thanks for the head's up!
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Old 11-06-22 | 07:03 PM
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Originally Posted by pastorbobnlnh

Is it worth regluing? If so, regular tubular glue or something different?
In Olden Times, re-glueing base tape was a job for Barge. I would think it would be worth doing, even for just a spare. Not sure they sell Barge in small quantities anymore. I sure don't need a gallon...
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Old 11-06-22 | 07:48 PM
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Use the Rally as a spare. Those Veloflex Ravens are fantastic tires. Buy 4 from Merlincycles to help make up for the shipping and enjoy really nice tubulars.
Imho of course, but really they are a world of difference. Oh is the freewheel spa open for business yet?
Have fun.
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