@richjames the top tubes being different(and so lower saddle and lower handlebars for the back rider) just means the bike was setup originally for 2 people of different sizes to ride together.
Similar to a frame like this(but this is more extreme so the back rider is a child).
@richjames the top tubes being different(and so lower saddle and lower handlebars for the back rider) just means the bike was setup originally for 2 people of different sizes to ride together.
Similar to a frame like this(but this is more extreme so the back rider is a child).
http://www.sjscycles.co.uk/thorn-voyager-tandem-frame-yellow-prod26854/