Possible wheel upgrade.  The front-wheel-drive lets you use pretty much anything in the back.

BLBC:  Gods Among Men

Tom’s monstrous contraption on the 2003 St. Chino’s Run, a 30-mile ride from Minneapolis to the Wisconsin River for a campout.  In case you can’t follow, it goes:

Tom’s monstrous contraption on the 2003 St. Chino’s Run, a 30-mile ride from Minneapolis to the Wisconsin River for a campout.  In case you can’t follow, it goes:

two wheels

two riders

two wheels

boom box

pregnant mom

a wheel

a rider

a baby

two dogs

boom box

cooler

another dog

two wheels

a chopper

Tom

From the film B.I.K.E.