Know the rules The Paceline Forum Builder's Spotlight


Go Back   The Paceline Forum > General Discussion

Reply
 
Thread Tools Display Modes
  #1  
Old 11-21-2019, 11:47 AM
torquer's Avatar
torquer torquer is offline
Glory bound
 
Join Date: Nov 2004
Location: Drinking at the Last Chance Saloon
Posts: 1,427
Latex tubes verboten?

There’s a Lightweight clincher in the classifieds with a warning sticker to never use latex tubes. That’s a new one for me.
Anyone see this kind of warning anywhere else and any actual evidence behind it?
Reply With Quote
  #2  
Old 11-21-2019, 01:15 PM
makoti makoti is offline
Senior Member
 
Join Date: Mar 2014
Location: NoVa
Posts: 6,514
Quote:
Originally Posted by torquer View Post
There’s a Lightweight clincher in the classifieds with a warning sticker to never use latex tubes. That’s a new one for me.
Anyone see this kind of warning anywhere else and any actual evidence behind it?
Carbon? That is supposed to be a no, but I do. I also never take them anywhere long, prolonged braking will occur.
Reply With Quote
  #3  
Old 11-21-2019, 01:19 PM
Elefantino's Avatar
Elefantino Elefantino is offline
50 bpm
 
Join Date: Jan 2004
Location: Pittsboro, NC
Posts: 10,440
Makes sense. Heat + latex =
__________________
©2004 The Elefantino Corp. All rights reserved.
Reply With Quote
  #4  
Old 11-22-2019, 07:21 AM
torquer's Avatar
torquer torquer is offline
Glory bound
 
Join Date: Nov 2004
Location: Drinking at the Last Chance Saloon
Posts: 1,427
Why would latex be worse than butyl?
I get the hazard created by increased temperatures but that would be no different regardless of tube.
And has any other rim/wheel manufacturer issued this warning?
Reply With Quote
  #5  
Old 11-22-2019, 07:45 AM
chiasticon chiasticon is offline
Senior Member
 
Join Date: Apr 2014
Location: northeast ohio
Posts: 3,548
think it's been a no-no for years actually, due to the heat. I know when I bought my first set of carbon clinchers in 2013 they had the same warning.

Enve discusses it here: https://www.enve.com/en/use-of-latex...-clicher-rims/
Reply With Quote
  #6  
Old 11-22-2019, 09:14 AM
Mark McM Mark McM is online now
Senior Member
 
Join Date: Jun 2006
Posts: 11,994
Quote:
Originally Posted by torquer View Post
Why would latex be worse than butyl?
I get the hazard created by increased temperatures but that would be no different regardless of tube.
And has any other rim/wheel manufacturer issued this warning?
The temperature buildup would be the same regardless of the tube - but latex can't tolerate as much heat as butyl can.
Reply With Quote
  #7  
Old 11-22-2019, 09:24 AM
sparky33's Avatar
sparky33 sparky33 is offline
Senior Member
 
Join Date: Feb 2013
Location: Wellesley, MA
Posts: 3,938
Quote:
Originally Posted by makoti View Post
Carbon? That is supposed to be a no, but I do. I also never take them anywhere long, prolonged braking will occur.
My carbon clinchers use latex tubes. Though my local terrain isn't where heavy braking and heat build up becomes a concern.
__________________
Steve Park

Instagram
Reply With Quote
  #8  
Old 11-22-2019, 09:25 AM
AngryScientist's Avatar
AngryScientist AngryScientist is offline
Administrator
 
Join Date: Mar 2010
Location: northeast NJ
Posts: 33,122
Quote:
Originally Posted by sparky33 View Post
My carbon clinchers use latex tubes. Though my local terrain isn't where heavy braking and heat build up becomes a concern.
same. i've been using latex tubes in carbon clinchers for years with no problems.
Reply With Quote
  #9  
Old 11-22-2019, 09:45 AM
Duende Duende is offline
Senior Member
 
Join Date: Oct 2013
Location: San Francisco
Posts: 885
Road them a few years in my Bora’s, but ultimately got rid of them because of heat issues. They were melting to my tires and really loosing their integrity.

I attribute this to the hilly terrain of the Bay Area and frequent brake use descending etc.

I know folks in less hilly areas who do fine with them. Point of note though... they do ride better and I did have less punctures overall.

Now that I’m all disc, I’m considering going back to Latex... if I don’t end up going road tubeless that is.
Reply With Quote
  #10  
Old 11-22-2019, 07:13 PM
joshatsilca joshatsilca is offline
Vendor
 
Join Date: Mar 2018
Posts: 191
Quote:
Originally Posted by Duende View Post
Road them a few years in my Bora’s, but ultimately got rid of them because of heat issues. They were melting to my tires and really loosing their integrity.

I attribute this to the hilly terrain of the Bay Area and frequent brake use descending etc.

I know folks in less hilly areas who do fine with them. Point of note though... they do ride better and I did have less punctures overall.

Now that I’m all disc, I’m considering going back to Latex... if I don’t end up going road tubeless that is.
This purely about heat.. latex can handle about 240-250F and butyl more like 330-340F. This isn't an issue for most flat to moderate terrain, but can be an issue with lightweight carbon rims, longer descents and heavier riders. Disc brakes completely eliminate the heat risk, so latex and carbon are completely safe in that context.

If you're trying to go fast, latex tubes will save you 2 full bike ceramic bearing upgrades worth of watts per tube !

We run latex tubes in our tubeless test wheels as they don't add rolling resistance and don't change the feel of the tires.. so for testing tires it's WAY easier than sealant!
Reply With Quote
  #11  
Old 11-22-2019, 07:28 PM
mktng's Avatar
mktng mktng is offline
That guy..
 
Join Date: Oct 2012
Posts: 3,076
Latex sticking to the tire can be resolved with basic maintenance. Make sure theres no water in the tire, and throw some baby powder in there.

Been using latex tubes in carbon wheels. Zero issues.

Weird

Sent from my Mi 9 SE using Tapatalk
Reply With Quote
  #12  
Old 11-22-2019, 07:54 PM
Black Dog's Avatar
Black Dog Black Dog is offline
Riding Along
 
Join Date: Aug 2010
Location: Rockwood ON, Canada
Posts: 6,238
As has been said. There are zero issue as long as you don’t generate high temperatures from prolonged braking. Such as long descents. Carbon rims generate more heat and are more likely to cause a latex tube to fail. Still, on prolonged descents latex is risky if braking demands generate enough heat. Other than riding in the mountains latex on clinchers is just fine.
__________________
Cheers...Daryl
Life is too important to be taken seriously
Reply With Quote
  #13  
Old 11-22-2019, 07:57 PM
FlashUNC FlashUNC is offline
Senior Member
 
Join Date: Apr 2008
Location: Berkeley, CA
Posts: 14,452
Quote:
Originally Posted by Black Dog View Post
As has been said. There are zero issue as long as you don’t generate high temperatures from prolonged braking. Such as long descents. Carbon rims generate more heat and are more likely to cause a latex tube to fail. Still, on prolonged descents latex is risky if braking demands generate enough heat. Other than riding in the mountains latex on clinchers is just fine.
Hence the disclaimer from Lightweight. Lightweights are specifically for going up hill. And sorta getting you down the other side alive.
Reply With Quote
  #14  
Old 11-22-2019, 08:44 PM
drewskey's Avatar
drewskey drewskey is offline
Dadwatts
 
Join Date: Jan 2016
Location: Central Arkansas
Posts: 368
I love the "about" and then a very specific range. I doubt anyone but you could provide that off the top of your head in a forum.

I've run orange seal inside of my latex tubes for years. I've often wondered what, if any, effect on the heating effects that 2oz of sealant has for my rim brake carbons.

Quote:
Originally Posted by joshatsilca View Post
This purely about heat.. latex can handle about 240-250F and butyl more like 330-340F. This isn't an issue for most flat to moderate terrain, but can be an issue with lightweight carbon rims, longer descents and heavier riders. Disc brakes completely eliminate the heat risk, so latex and carbon are completely safe in that context.

If you're trying to go fast, latex tubes will save you 2 full bike ceramic bearing upgrades worth of watts per tube !

We run latex tubes in our tubeless test wheels as they don't add rolling resistance and don't change the feel of the tires.. so for testing tires it's WAY easier than sealant!
Reply With Quote
  #15  
Old 11-22-2019, 09:46 PM
Duende Duende is offline
Senior Member
 
Join Date: Oct 2013
Location: San Francisco
Posts: 885
Quote:
Originally Posted by joshatsilca View Post
This purely about heat.. latex can handle about 240-250F and butyl more like 330-340F. This isn't an issue for most flat to moderate terrain, but can be an issue with lightweight carbon rims, longer descents and heavier riders. Disc brakes completely eliminate the heat risk, so latex and carbon are completely safe in that context.

If you're trying to go fast, latex tubes will save you 2 full bike ceramic bearing upgrades worth of watts per tube !

We run latex tubes in our tubeless test wheels as they don't add rolling resistance and don't change the feel of the tires.. so for testing tires it's WAY easier than sealant!
I’m definitely a heavier rider and there’s quite a few long and steep descent that require riding the brakes somewhat... with so many people and cars popping up out of nowhere.
Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 09:57 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2024, vBulletin Solutions, Inc.