Originally Posted by
StLbikerdude
The crank is wobbling horribly, I'm assuming it needs new bearings at the least. I started researching youtube videos and everyone recomended upgrading. This bike was a daily commuter for over a year, rain, wind and snow. An occasional shot of WD40(prob not the best thing) is all it got, so its got to be a mess in there.
The WD40 probably just dissolved what was left of the grease in there, and if you've got a lot of miles on it, the BB spindle will probably be pitted, even if the bearing cups are intact. I'd say fitting a cartridge BB is a repair, not an upgrade, at this point.