Thanks. Yep, the high limit screw was backed out all the way. Considering it is due to the BB spindle, could it be adjusted in anyway to resolve this. I've never messed with a BB cartridge before, so I'm not sure if this is physically possible, but could it pushed out more towards the other side. Perhaps over time it got pushed out toward the sprocket side. I would stand to gain about 1 mm, which would be enough.