Strictly speaking, it's only torque where the chain is on the cogs (and even then, I'd argue that the torque is on the cogs.) Off the cogs, it's just massive tension.
He did say output, so I was talking the riders' foot/pedal interfaces. I also think we're being just a touch picky. Anyone would think we were a bunch of IT types.
-- Dave Hughes | [email hidden] If you call blowing things up experiments, there were a lot of chemistry experiments. -- Neal Stephenson