Make:

This DIY bamboo frame is absolutely beautiful. Appropriate, since it appears to have hand crafted with love for a significant other. Aaron writes:

The ride quality is TOTALLY SWEET! I realize that I have a bit of a bias, but truthfully I have ridden very few bikes that felt nicer. The bike seems to float over bumpy road surfaces, almost as if it were on giant baloon tires, but nope, they are just 700x23 clinchers pumped hard as rocks. My big worry was that I had not gotten the frame alignment right, but that seems dead on too; riding no-handed is no problem. Oh yeah, and it corners like a fricking roller coaster and it accelerates as fast as anything I've ever ridden. Maybe that's due to the fact that it weighs only 16.5 pounds! I had no idea that it was going to be so light and honestly did a full on "YESSSS!" complete with double fist pump when I hung it on the scale.

There isn't a huge amount of info about the build process, suffice it to say that it began with harvesting carefully selected bamboo and ended with over 100 hours of epoxy and carbon fiber work.

Aaron's Finished Bamboo Bike [thanks, nick]
Details on Making the Bike

Previously:

The Bamboo Bike Project is a collaboration between scientists and engineers at The Earth Institute at Columbia University and a bicycle builder at Calfee Design. The project aims to examine the feasibility of implementing cargo bikes made of bamboo as a sustainable form of transportation in Africa. The ultimate goals of the project are:
1.To build a better bike for poor Africans in rural areas.
2.To stimulate a bicycle building industry in Africa to satisfy local needs.

Making a Carbon Fiber Bike frame

From the pages of MAKE

Working With Carbon Fiber - MAKE:09 p168