Frame Designs that Shouldn't Work but Do!

[grantoury]

Don't know about "shouldn't work", but I was very pleasantly surprised by this ingenious design. A folding bike that rides just like a normal bike.

Gearing options are somewhat limited, and the (virtual) seat tube angle changes with the saddle height. At 26 lbs it is pretty light, too.

The Bridgestone Grandtech GR-27:

Is it yours?

 

[BongoInTheCongo]

Sironval recumbent France 1936

 

[non-fixie]

Is it yours?

It's mrs non-fixie's ...

 

[BongoInTheCongo]

This, believe it or not is a Diamond Back.!

 

[Nob]

Hanseeno bike by Adam Hansen

 

[Nob]

 

[Nob]

 

[Nob]

 

[BongoInTheCongo]

Feck me that's 141mph...! Bonkers

 

[Bultaco370]

Yamaguchi had some wacky design ideas. This is just one.