Contrail V2.0
Community Biking Tool

To get the full story of Contrail, read about Contrail V1.0.

We have put Contrail (the biking tool that celebrates shared spaces, helps make bicycling safer and more fun) through Tomorrow Lab's CoBuilt process to re-design it for life as a rapid fabricated product. The result is a fun biking tool that is available now, since it can be created on demand. Contrail is now available as a durable product in lasercut parts, makerbot-printed housing, and a custom circuit board.

Now available as a kit in two flavors:

  • As a partial kit with downloads: we ship you the critical parts, you download the files and fabricate the hosuing parts yourself - $49.00 + S/H
  • As a complete kit: we fabricate and send all the parts to you - $149.00 + S/H
  • Contact us at

    Industrial Design
    Mechanical Engineering
    Fabrication Oversight
    Cool Hunting
    Tree Hugger
    Sierra Club