zinncycles:
tandem rear
zinncycles:
Eccentric bb detail
zinncycles:
custom zinn tandem
zinncycles:
bb area detail
zinncycles:
tandem headtube
zinncycles:
american made
zinncycles:
tandem removable derailleur hanger
zinncycles:
made in boulder colorado
zinncycles:
stoker compartment
zinncycles:
captain seat tube detail
zinncycles:
tandem bb area detail
zinncycles:
tandem rear disc tab
zinncycles:
Custom Titanium tandem bike