Originally Posted by
Jipe
because the efficiency of the BWR on the 1st and 3rd gears isn't good due to the relatively big reduction/multiplication ratio).
Can you back this up with any data? I think the efficiency is similar to their standard 3-speed, I can't remember the number. One of the reasons for going with the unusual gear change system that they have, was that having a 3 speed IGH was more efficient than one with a higher number of gears.