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Item # CNG0027

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Item # CNG0027

Your tubes just got lighter.

You may not consider the lowly inner tube when it comes time to lighten up your ride. Sure, it isn't the difference between a steel frame and a carbon frame, but if you're counting grams, a pair of Challenge S.C. Latex Tubes are one of the least expensive ways to improve your riding experience.

Challenge Latex Tubes have a couple advantages over their butyl cousins. Latex is far more elastic and puncture-resistant than butyl. Therefore latex tubes are able to be made thinner than butyl tubes. This means that they're lighter weight, are more flexible, and accordingly, have less rolling-resistance. And, just as importantly, the aforementioned equates to a significant dampening of road vibration. The slight disadvantage with latex tubes, however, is that they are porous and naturally lose air a little quicker than butyl tubes. It's not really a big deal, but something worth noting. Because of this, we generally use our latex tubes on our race-day wheels and run butyl tubes for training.

The Challenge S.C. Latex Tube are available in the sizes 700c x 19-28mm and 700c x 29-38mm. Each tube has a 47.5mm-long valve.

  • Latex tube with 47.5mm Presta valve
  • 86 to 92-gram weight (depending on size)

Tech Specs

Claimed Weight:
86 - 92 g
Valve Type:
47.5 mm Presta
Recommended Use:
road cycling
Manufacturer Warranty:
limited
Size:
700 x 29 / 38 mm, 700 x 19 / 28 mm

Reviews & Community

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Challenge S.C. Latex Tube

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Here's what others have to say...

1 5

Worst latex tubes I've ever owned

  • Gender: Male
  • Familiarity: I've used it several times

I've been using latex tubes for a long time and have never had the issues I've had with these tubes. I thought I'd give them a try when I bought 2 sets of the Starada and Strada Bianca tires.

These are the issues:
1) when slightly inflated so as to rub a little Talc powered on them and install, all of them have at least one area with very thin latex. This area bulges like a balloon.
2) When installed properly (talc powder, partially inflated when installed, twisting the tire when its seated on the rim) the tube will either explode at 60 lbs or inflate properly and explode on the road.

I bought 8 of these in both the 30mm size and the 25mm size. Every single one exploded.

Lastly, I'm running these with the Challenger Strada tires.

I would not trust these tubes with my life. Most frustrating latex tubes I've ever owned.

4 5

Tom would love these!

  • Familiarity: I've put it through the wringer

Very light, no flats, actually hold pressure better than expected but pump them as a precaution before daily rides. In combination with 320 TPI tires rides lighter and better than tubulars. So far, so good.

5 5

No flats

  • Familiarity: I've put it through the wringer

At Dirty Kanza 200. 50 psi. I love these. (I also just jinxed myself)

5 5

Holy Lightness!!!

  • Familiarity: I've used it several times

Man these tubes are light!!! Love them, no problems with flats at all, just be careful when installing them, they can pinch easily. I chalk them up before install, and it goes in just fine!! Just wish they were a little cheaper ;)

The pic appears to show a removable valve...

The pic appears to show a removable valve core, just want to confirm this before purchasing.
Thanks.

Best Answer Responded on

These do not include at remoeable valve core.

Responded on

Mine have removable valve cores. Can be a bit of a pain if you do not tighten them down before attempting to inflate.

Do you think the 19x28 would be OK with a...

Do you think the 19x28 would be OK with a 30-32mm cross tire? I would rather not carry the extra bulk of the 29-38.

Best Answer Responded on

Hey Steve,
Technically speaking you can run these in that tire, but its not a good idea. The more the latex stretches to cover the volume of the tire the more likely it is to pop. Additionally latex tubes are porous and leak air continually. If you stretch them further with a wider tire that becomes more of a problem.
I hope this is helpful. If you'd like to talk more about other options, please feel free to give us a call.

5 5

Super smooth ride

  • Familiarity: I've put it through the wringer

I switched from the Vittoria Latex tubes to these, much better. The Vittoria's are too thin, they are super light (about 50gm) vs these that are 70gm. I'll take the extra thick, but still pretty light ones - these :) I chalk them up pretty good with powder and install is easy. Yes, they loose about 30# of air overnight, but I always top off my air anyhow before every ride - just a few more pumps, and it's also good for your upper arm strength :) Make your bike ride just that much better - say 10% improvement on normal pavement. That's a pretty cheap upgrade. I do not notice any increase in punctures at all - am running Continental 4000S without any issues, other than being super awesome :)