Latex inner tubes: Used in all high end tubular thanks to their low rolling resistance. Thinner and more flexible than butyl tubes. The use in open tubulars increases comfort and lowers rolling resistance. Latex is also more resistant to punctures.
| Valve Type: | Presta |
|---|---|
| Wheel Size: | 700c (622) |
| Commuter: | Yes |
| Touring: | Yes |
| Cyclocross: | Yes |
| Road: | Yes |
| MTB: | Yes |
| Tube Size: | 30c > 35c |
On the other hand it is a porous material therefore it requires daily inflation.
Puncture protection is also greatly improved as latex extends and expands 7 to 8 times its original size, whereas butyl only about 1.5x meaning that latex is much, much more flexible and not immediately prone to punctures. Unlike the stiffer butyl, latex will first expand and wrap itself all around a protruding object and often isn’t successful puncturing through even after working itself all the way in the tyre.
The best performance and comfort combination is the latex inner tube with a handmade clincher, although the latex tube can also improve the ride of any other type of clincher.
Replacing the standard butyl inner tubes (even superlight ones) with the Challenge seamless latex inner tube is by far the most affordable way of improving the performance and overall feel of your bike.
In 2003 Challengetech created its own brand “Challenge”. Challenge, as the word says, wants to point out how difficult and exciting it is to keep the tradition of high quality products, created with obstinacy, with the steady research of special materials and through handcrafted processes. Since the 2000s, Challengetech has being producing tubulars for other brands, thanks to the constant use of these products in the professional cycling.
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