Originally Posted by jeffmendoza

Shimano 6400 parts. FC-6400 53/39 crank. Hub is the 126mm freehub 7-speed that accepts both uniglide and hyperglide cassettes (FH-6401 I think). Cassette is a new HG-51 8 speed 11-28, but I'm not using the 11, so it's 13-28. I needed a 1mm cassette spacer as well. Also using 8-speed shifters (SL-6401) to match the spacing on the cassette.
39-28 is tough but manageable on the hills I have around here. The capacity is a bit more than the RD can wrap, the chain might sag a tad in small-small, but I don't ride like that of course.