Originally Posted by
DannoXYZ
Crumpling a tube only occurs if you've exceeded the 50:1 diameter-to-wall-thickness ratio. No bike tubing is made that thin
I dunno.. This Columbus Nivacrom stuff is very thin indeed. I like to tap on it to impress chicks. Sounds no thicker than a can of beans.* And they use asymmetrical megatube cross-sections so I bet they're pretty close to 50:1.
*
Without the beans.
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