EDIT: How many bolts are on the crank - 4 or 5? If it's 4, you can go down to 22T, if it's 5, you can go down to 24T.
Also, what cassette are you using. They make 10-speed cassettes now with 32, 34, or 36T for the largest cog.
Last edited by JiveTurkey; 07-07-11 at 04:07 PM.