Originally Posted by
badmother
More gears does ot automaticly mean wider gear range. WHAT gears you`ve got could be more important than how many gears.
True. But the Dual Drive will definitely have a wider range than any IGH other than a Rohloff.
Originally Posted by
badmother
Still not at all sure you can put a dual drive 27 speed in the dropouts spaced for a Nexus4.
Good question.
The OP should get a set of calipers and measure the over the locknut dimension. If you get 135 ... then woo hoo! You got the correct spacing for a SRAM Dual Drive.