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Totally Tubular

Old 10-04-20, 07:15 AM
  #1801  
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Thanks (I think. Since it postpones n+1) for that. I just ordered 3 Roubaix for a future Eroica CA.
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Old 10-11-20, 05:05 AM
  #1802  
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I have to replace the base tape on a couple tubular tires. It seems to me that the material is basically ¾-inch bias tape, likely available at most fabric stores. Are there other properties I'm missing? What sort of adhesive is used to attach it to the casing?
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Old 10-12-20, 02:30 PM
  #1803  
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Merlin Cycles has Veloflex Vlaanderen on sale for $52.31
Thanks for that, I picked up a pair.
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Old 10-12-20, 04:24 PM
  #1804  
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Originally Posted by smontanaro
I have to replace the base tape on a couple tubular tires. It seems to me that the material is basically ¾-inch bias tape, likely available at most fabric stores. Are there other properties I'm missing? What sort of adhesive is used to attach it to the casing?
Latex adhesive bonds the base tape to the tire casing.

Some tubulars have a molded casing/tread, which likely includes the base tape in the molding process.

I would note how much glue that different tape materials might tend to absorb. Some tires have a base tape already saturated with cured elastomer of some type, which cuts the amount of glue required (and greatly reduces drying time).
Gluing on a full length of base tape sounds like a lot of work. I have a new 22mm Sprinter tire with the tape falling off from age, even though it's been in a bag for at least as long as I've had it.

Last edited by dddd; 10-12-20 at 04:29 PM.
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Old 10-13-20, 06:01 PM
  #1805  
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Originally Posted by L134
Merlin Cycles has Veloflex Vlaanderen on sale for $52.31. I thought they were out of production?? Veloflex website doesn't show them. $27 shipping to US a drag but I ordered 3 so $61/per tire still not bad. I think your order has to get somewhere north of $300 for free shipping to US.
I also ordered some (4). They got here in TWO days. Fastest ever delivery for me from any overseas vendor. Thanks for the tip. I had quit looking (my favorite tubular).
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Old 10-13-20, 06:33 PM
  #1806  
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Originally Posted by obuckler
I also ordered some (4). They got here in TWO days. Fastest ever delivery for me from any overseas vendor. Thanks for the tip. I had quit looking (my favorite tubular).
I know, two days is faster than most domestic shippers! My favorite tire as well.
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Old 10-14-20, 09:57 AM
  #1807  
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hey hey hey
stop the Merlin talk.about tubular tires

Two weeks ago, I ordered a bunch of tires and the site (in a red banner) said I couldn't order because of quantity. Only ordered 1 or 2 of each tire.
So I emailed customer service - got an auto reply of CoVid restrictions.


Just did the same again with a new order. Same banner

What's up with you guys being able to buy???
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Old 10-14-20, 11:55 AM
  #1808  
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Originally Posted by Wildwood
hey hey hey
stop the Merlin talk.about tubular tires

Two weeks ago, I ordered a bunch of tires and the site (in a red banner) said I couldn't order because of quantity. Only ordered 1 or 2 of each tire.
So I emailed customer service - got an auto reply of CoVid restrictions.


Just did the same again with a new order. Same banner

What's up with you guys being able to buy???
I would try again ... I just put one in a basket and went to check out and changed the quantity to 2 and it seem to work fine. Went all the way to pay now.
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Old 10-14-20, 01:26 PM
  #1809  
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Perhaps Off Topic, but my tubular rims run from basic old-school to deeper carbon.
The newer stuff is deeper and uses valve extensions. I use the replaceable core type.
However, they still leak. Even with Teflon tape.

Most leaky: Zipp Tangente
Least leaky: Tufo Carbon Composite

Any suggestions out there?
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Old 10-14-20, 02:17 PM
  #1810  
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Originally Posted by RobbieTunes
Perhaps Off Topic, but my tubular rims run from basic old-school to deeper carbon.
The newer stuff is deeper and uses valve extensions. I use the replaceable core type.
However, they still leak. Even with Teflon tape.

Most leaky: Zipp Tangente
Least leaky: Tufo Carbon Composite

Any suggestions out there?

Not off topic at all.

Sorry, i have no firsthand with valve extensions on deep aero wheels, but since all valve cores should be the same on new tires, a good Pro shop's recommendation would apply across tire brands.

Good topic.
note: my quick search yielded lots of ads, but nothing i would consider adequate info or reviews for current product.

Wow. If valve core won't seal with tape, something sounds amiss.
Maybe my presumption that all new valve cores are the same is not accurate. We are just talking road tires, presta valves.
I've only ever had one valve core problem on a new tubular tire - across maybe 35 sets of tubies over the years (eh, not all were new).
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Old 10-14-20, 02:41 PM
  #1811  
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Regarding my order with Merlin UK --
It was a quantity 2 on the Veloflex Roubaix that bonked the earlier order. somehow it ended up being a hassle. Maybe I'm dumb. But I did finally get another set of Vlaanderen and 1 Roubaix. Also gonna try the Conti5000 clincher, too.
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Old 10-16-20, 10:09 PM
  #1812  
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Originally Posted by RobbieTunes
Perhaps Off Topic, but my tubular rims run from basic old-school to deeper carbon.
The newer stuff is deeper and uses valve extensions. I use the replaceable core type.
However, they still leak. Even with Teflon tape.

Most leaky: Zipp Tangente
Least leaky: Tufo Carbon Composite

Any suggestions out there?

Try some different extensions? More wraps of teflon tape. Use two pliers to make sure that the extension is on tight.

I assume that the problem is the extension onto the stem, and not the valve core.
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Old 10-17-20, 04:59 AM
  #1813  
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I have a problem similar to RobbieTunes, but no deep carbon rims are involved. I have a pair of Clement Futurα tires mounted to some AVA rims. The rims are shallow box rims, but, Jiminy Crickets (avoiding BF censors here - you know how I really want to express myself) the valve stems are the shortest I've ever encountered. I can pump the tires with my Zefal HP (locking chuck) but not with the Silca chuck on my Park floor pump (relies on the full engagement possible with a longer stem). I know I should probably just spring for a new locking chuck (Hirame?) but the current chuck also rather clumsily does schrader when I need it.

Unless I've gone completely blind, I believe these tires have removable valve cores. What are the shortest valve stem extenders I can get?

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Old 10-18-20, 12:32 PM
  #1814  
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I plan to clean up the edges with steel wool, but am unsure of my plans for the old glue, of unknown age. Is that too much residue to move forward with?
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Old 10-18-20, 04:41 PM
  #1815  
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Originally Posted by seedsbelize

I plan to clean up the edges with steel wool, but am unsure of my plans for the old glue, of unknown age. Is that too much residue to move forward with?
That's a fine surface. I wouldn't think twice about gluing over that.
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Old 10-18-20, 04:50 PM
  #1816  
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Originally Posted by seedsbelize
Is that too much residue to move forward with?
Nope. Think of it as "primer".

I did some maintenance yesterday. Tires were fine but the glue looked sub-optimum so I did a refresh using the craft syringe method.

Sub optimum old glue

Craft syringe method

Refreshed and sticky.

Bar tape matches tires FTW!
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Old 10-18-20, 05:25 PM
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Originally Posted by obrentharris
That's a fine surface. I wouldn't think twice about gluing over that.
Brent
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Old 10-18-20, 05:29 PM
  #1818  
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Originally Posted by seedsbelize
I plan to clean up the edges with steel wool, but am unsure of my plans for the old glue, of unknown age. Is that too much residue to move forward with?
If that wheel came to me like that, I'd clean it off and start fresh for my own use. If I was replacing a tire that I had glued on that wheel, I'd leave it.
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Old 10-18-20, 10:29 PM
  #1819  
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Originally Posted by seedsbelize

I plan to clean up the edges with steel wool, but am unsure of my plans for the old glue, of unknown age. Is that too much residue to move forward with?
brass wire brush wheel on drill is fast and safe
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Old 10-19-20, 11:45 AM
  #1820  
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here is what 30mm Vittoria corsa control look like with 5800 105 brakes (spec is 28mm max) on 85 team miyata

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Old 10-19-20, 11:46 AM
  #1821  
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jannd tubular bag....says it holds 2 but tight fit with the 30mm Vittoria Corsa Control

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Old 10-19-20, 01:05 PM
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Originally Posted by squirtdad
jannd tubular bag....says it holds 2 but tight fit with the 30mm Vittoria Corsa Control
I would like to know how you got two tubulars in that bag. I can barely get one in and often do not close it.
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Old 10-19-20, 01:14 PM
  #1823  
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Originally Posted by CV-6
I would like to know how you got two tubulars in that bag. I can barely get one in and often do not close it.
LOL didn't mean to confuse.... I got one 30mm in.....and it is a tight fit with in the bag a multitool, patch kit (good samariatn) lever and bag of caffelatex
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Old 10-19-20, 01:16 PM
  #1824  
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Originally Posted by CV-6
I would like to know how you got two tubulars in that bag. I can barely get one in and often do not close it.
Do you make a neat fold of your tires? I'd think two neatly folded tires secured with a toestrap around both wouldn't be too hard to get in and zip up. (There was a thread not too long ago on neatly folded tires. I know DiabloScott posted a photo of his.)
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Old 10-19-20, 01:23 PM
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^^^^^^ If you're doing to carry two sew-ups, I think one of them must be carried in the traditional style.

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