
Originally Posted by
CA_in_NC
Then, there's a ring (usually on the other side) with a chain that keeps the stoker and captain's pedals in sync.
That would be the timing chain. 
Zen, that's what was bothering me! The saturation. It's actually a little bilious on my screen.
Frends know gud humors when dey is hear it. ~ Da Crockydiles of ZZE.