Joined: Jun 2011
Posts: 1,180
Likes: 0
From: Sunnyvale, California
Bikes: Bridgestone RB-1, 600, T700, MB-6 w/ Dirt Drops, MB-Zip, Bianchi Limited, Nashbar Hounder
Maybe you need to add 4 half links or so to the chain (or get a new chain if you don't have the links) and break it so it's longer than before, and make a slight adjustment to the B-screw to have the correct distance below the cogs averaged over 11-28 cluster as opposed to the previous one.