cost is a consistent theme for some (me)... I would have loved it if the NC came shaft drive... but that would have made it $1000 more expensive.
Of coures, I've spent more than that replacing chains and sprockets.... would be nice to have the option on the NC... sigh....
Do I read correctly that shaft is less efficient than chain? Would a rider have noticed the difference on a 670cc engine?
Shaft is less efficient. You'll know it the first time you roll it around the driveway or garage. I think the difference would be noticeable in power and fuel economy on the NC700.