Originally Posted by
rollagain
So, what's the difference between this and using something like a Patterson, Schlumpf, or Efneo at the front? Nothing 'new' about those ...
Originally Posted by
rollagain
They're all planetary gear systems, and you can look them up yourself faster than I can look them up and post them. While you're at it, look up 'sturmey archer dual drive'.
This isn't 3rd grade and you don't get to assign answering your question as homework.