a bike that goes from low-rider to as tall as a bus while riding:
Russian Transformer Bike (Transforms As You're Riding) - YouTube
needs a motor though
and good luck keeping a carb level ![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Russian Transformer Bike (Transforms As You're Riding) - YouTube
needs a motor though