Deore M510 HG50 would do it.
11,12,14,16,18,21,24,28,(32).
Do me a favor and let me know how it works out. I've seen 8 of 9 discussed fairly often but never by somebody who has actually done it.
Incidentally, your post mentions tandems and Dayton. Were you at MTR whatever year it was held in Dayton? In spite of the rain that was one of my favorite rallys.
Last edited by Retro Grouch; 02-21-09 at 06:09 AM.