Pyramid power at heart of bicycle frame

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Cyclists are always looking for lighter and stronger equipment. Engineers at BYU are trying to meet those demands with bicycle frame that relies on pyramid power, as well as carbon fiber and Kevlar.

The IsoTruss frame uses those materials in an open latticework that creates a bike frame unlike anything I've seen on two wheels. The frame weighs in at 3.25 pounds, slightly less than costly DaMal Palava, Cinelli, and other lightweight mountain bike frames. The developer says he can get it below 3 pounds at less cost than traditional frames.


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