
Hetchins Dimpled Seat Tube (via hetchins.org foto archive, part 2)
Need to get your wheelbase even shorter? Dimple the tube. Also notice the skip-tooth chainring and irregularly spaced chain. Less teeth means less weight.

Hetchins Dimpled Seat Tube (via hetchins.org foto archive, part 2)
Need to get your wheelbase even shorter? Dimple the tube. Also notice the skip-tooth chainring and irregularly spaced chain. Less teeth means less weight.