cyclist/gearhead/cycli...
Join Date: Oct 2004
Location: DC / Maryland suburbs
Posts: 4,166
Bikes: Homebuilt tourer/commuter, modified-beyond-recognition 1990 Trek 1100, reasonably stock 2002-ish Gary Fisher Hoo Koo E Koo
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Don't know the specifics of this crankset... but there are a lot of chainrings which have the teeth slightly off-center, as you describe, so that you can flip the ring over to tweak the chainline. I've used this a couple times in building fixies to adjust the chainline by 1 mm or so.