Cranks like you've never seen...

[Radoslaw]

Biopace has similar effect and a lot cheaper.

 

[Harryburgundy]

Meh...seen them before..many times

 

[SeeingisBelievingGTMuseum]

Now there's a 10lb crank.

 

[agentorange]

dfg

Surely, any benefit this system gives you could be built into a shoe?

 

[559er]

Remember seeing these whilst in Taiwan just can't remember the trading company anyone know?

 

[warpedboy2]

BITD did'nt somebody make a crank with elastomers in it?