Originally Posted by
Bill Kapaun
Something else that may be useful is get another cassette with the smallest cog the same size you want. (11T is probably useless for you)
Something with a 12, 13 or 14T smallest cog.
Mix & match the cogs to the ratios most useful.
I wish that such cassettes were more common/easily available than they are, the trend seems to be to start at 11T nowadays. Here's my favorite drivetrain calculator, it supports IGHs:
http://www.kstoerz.com/gearcalc/comp...38,28&ighid2=1