Originally Posted by
michaelprise
I just realized that the other pedal arm (non crank side) is a sugino brand one. Also, what do you recommend I use for the rear cog if I use the 42 tooth ring? I won't be going up many hills, mostly flat land.
70 gear inches is a good place to start, this would mean 16t for you. YMMV
See:
http://www.bikeforums.net/showthread.php?t=468351