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Old 2013-05-10, 05:30 PM   #12
Nurse Ben
XC Muni
 
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Join Date: Jul 2008
Location: Northern Cascades, USA
Age: 54
Posts: 4,644
Rubber is heavy!

A Maxxis 3" DH tube weighs 450gm
A Maxxis Freeride 2.5 - 2.7" tube weighs 300gm
A Maxxis Welterweight 2.2 - 2.5" tube weighs 225gm

A heavier duty tuby can change the ride feel and can increase the flat resistance, but consider the weight penalty.

You would be better off running a lighter tube or even tubeless in a better tire than going with a heavy duty tube in a lightweight tire.

The tube provides support, but the tire is really where the work gets done.

I am currently running a 29 x 1.9-2.3 standard tube in my Knard 29 x 3" tire. It works fine and it's hundreds of grams lighter than the Surly tube or a DH tube.
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