Originally Posted by
james_swift
165mm Sugino RD cranks on my fixed Swift, not so much for the smoother spin, but because I think they fit me better for my particular inseam length (30 inches). Compared to the 170mm cranks I've used prior, I feel that I can pull the pedals around the stroke much more effectively with the 165mm.
I swapped out the OEM 170mm Brompton cranks for a pair of 165mm TA Specialites cranks for ergonomics - I have a 30" inseam. I had no proiblem with the 170mm cranks, but the 165mm cranks are smoother and more efficient.