Menu

Downtube junction

  • By Caley Fretz
  • Published Aug. 11, 2011
<< Back to StoryOpen full size in new window.
The bottom of the downtube is designed to send air past these gaps and straight to the rear wheel - an aerodynamic Zipp 404 in this case. Photo: Caley Fretz

The bottom of the downtube is designed to send air past these gaps and straight to the rear wheel – an aerodynamic Zipp 404 in this case. Photo: Caley Fretz