Originally Posted by
Patrick Bateman
The second think that sucks efficiency in a 'bent is that looooooong chain line. The chain weight isn't insignificant; in fact 3-4% of the entire bicycle weight is bike chain! Could you imagine if the driveshaft in your car weight 450lbs? That would hardly be efficient.
That is an interesting thought. I wonder if there are and belt drive bents? I have to say, dealing with the chain on my bent is one of the major reasons I eventually switched back to road bikes.