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700x28 4000 S II, butyl or latex?

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700x28 4000 S II, butyl or latex?

Old 03-17-18, 06:45 AM
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700x28 4000 S II, butyl or latex?

I'm going to install the 700x28 Continental 4000 S II clincher tire on my endurance bike. These measure close to 31mm wide.

I use Michelin 25-32 Airstop tubes on my Cyclocross bike with 700x32 tires. However, I like the performance of the 25-28 Vittoria latex tubes that I install on my 700x28 Vittoria Corsa tires. The Vittoria tire measures less than 28mm wide.

Should I attempt to use the thinner latex tube on a tire that is wider than what is specified for the tube?
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Old 03-17-18, 06:52 AM
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yes
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Old 03-17-18, 07:41 AM
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You will be fine.
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Old 03-17-18, 09:33 AM
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My guess it would likely work out fine. I use butyl tubes but I've found the quality of the rubber molding varies. Before installing a new tube, I inflate it and leave it out overnight. If it has not lost air overnight. it is OK to use. I've found though that some tubes are manufactured with very thin areas that puff out to several times the diameter of other parts. Those tubes I throw out. I would check latex tubes the same way. Why install or carry a tube that seems sub par?
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Old 03-17-18, 10:42 AM
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Originally Posted by berner View Post
My guess it would likely work out fine. I use butyl tubes but I've found the quality of the rubber molding varies. Before installing a new tube, I inflate it and leave it out overnight. If it has not lost air overnight. it is OK to use. I've found though that some tubes are manufactured with very thin areas that puff out to several times the diameter of other parts. Those tubes I throw out. I would check latex tubes the same way. Why install or carry a tube that seems sub par?
Awesome suggestion, thanks
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Old 03-17-18, 01:02 PM
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I have been running the Michelin latex 25mm tube in a 35mm tyre with no problems so far.
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Old 03-17-18, 01:03 PM
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latex alllll the way
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Old 03-17-18, 02:35 PM
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I’ve never messed around with latex. Is it actually worth dealing with?
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Old 03-17-18, 03:38 PM
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Originally Posted by Abe_Froman View Post
Ive never messed around with latex. Is it actually worth dealing with?
Certainly worth "dealing with" if you are concerned about 0.4%.
Not much extra work really anyway. Just good rim tape and a bit of talcum powder on installation. Pump up before you ride each day.
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Old 03-17-18, 10:36 PM
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Originally Posted by berner View Post
My guess it would likely work out fine. I use butyl tubes but I've found the quality of the rubber molding varies. Before installing a new tube, I inflate it and leave it out overnight. If it has not lost air overnight. it is OK to use. I've found though that some tubes are manufactured with very thin areas that puff out to several times the diameter of other parts. Those tubes I throw out. I would check latex tubes the same way. Why install or carry a tube that seems sub par?
You are aware that latex bleeds off air quickly (like overnight) and your plan would be disappointing. My experience with latex is top it off with air every ride. I do that anyway butyl or latex.
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Old 03-17-18, 10:42 PM
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Why not Continental Supersonic tubes?

I'm sincerely asking. Not trying to challenge.

I'm ignorant about latex tubes as well.


-Tim-
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Old 03-17-18, 11:21 PM
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Originally Posted by TimothyH View Post
Why not Continental Supersonic tubes?

I'm sincerely asking. Not trying to challenge.

I'm ignorant about latex tubes as well.


-Tim-
I'm not sure about Continental Supersonic in particular, but roller drum tests seem to usually have latex tubes enjoying lower resistance than thin butyl tubes.
It's often argued that the increased elongation-to-failure of latex rubber (compared with butyl rubber) makes latex tubes more resilient to pinch flats.

The most important reason is that latex tubes are available in more vibrant colors...
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Old 03-18-18, 12:58 AM
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Have no experience with latex, but I have tried running light 18/23mm butyl tubes in 27mm wide tyres and its fine. They easily stretch a few mm.
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Old 03-18-18, 06:38 AM
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I gave up on latex tubes years ago. They just weren't worth the aggravation. I pump before every ride but latex would be lower by the end of a long ride. I've just stopped paying attention to which butyl tubes I use too, as long as they hold air they can go on my bike. I patch them when they get flats and use those as spares, except that once put on as a spare I won't necessarily take it out to put a fresh tube in.
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Old 03-18-18, 06:57 AM
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Originally Posted by zacster View Post
I gave up on latex tubes years ago. They just weren't worth the aggravation. I pump before every ride but latex would be lower by the end of a long ride. I've just stopped paying attention to which butyl tubes I use too, as long as they hold air they can go on my bike. I patch them when they get flats and use those as spares, except that once put on as a spare I won't necessarily take it out to put a fresh tube in.
Weird, I've ridden latex for years and haven't had any issues using them for long rides of up to 7 hours. I think most high end tubulars are latex too and seem to serve the pro's just fine on the grand tours and such. Were you experiencing pinch flats or other issues late in your ride?
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Old 03-18-18, 12:20 PM
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Holy smoke. If latex is prone to leakage, perhaps this explains recent population growth and in turn, global warming. I'm going to e-mail authorities right away and have them look into this.
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Old 03-18-18, 06:40 PM
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latex are so worth it, i top off my tires everyday regardless of the tube so its not a big deal for me, I do centuries with them and have no loss. Call me crazy but i also think they puncture less...i have no idea why put ever since i but them on all four bikes I rarely ever flat (knock on wood). the ride is better .....just get them and try them i think they are the cheapest upgrade u can give your bike
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Old 03-18-18, 06:59 PM
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Latex, latex...

My wife was constantly complaining I was going too hard. We swapped wheels. Now I work. Latex.

Much nicer, more fuss.
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Old 03-18-18, 07:00 PM
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Originally Posted by jamesdak View Post
Weird, I've ridden latex for years and haven't had any issues using them for long rides of up to 7 hours. I think most high end tubulars are latex too and seem to serve the pro's just fine on the grand tours and such. Were you experiencing pinch flats or other issues late in your ride?
A trick is put about a thimble full of talc in them. They will hold air much longer.
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