Protein^®

Carbon composites (mixed material, unrecyclable) remain the materials of choice for high-end racing bikes, but for the rest of us in the biking masses, bamboo may soon come into its own as a better way to cycle. Calfee Design, which already has a bamboo-based mountain bike and road bike, has now come up with a bamboo tandem - wrapped at the joints with hemp fiber.

Calfee founder Craig Calfee earlier this year visited Ghana in order to train local framemakers to construct heavy-duty transport bikes (Calfee wrote a great trav...