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Graphic BCD Chart?

Old 03-18-08, 08:09 PM
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Graphic BCD Chart?

I was in a shop once (can't remember where it was) where I saw a graphic BCD chart up on the wall. It showed an outline of some chainrings and had holes marked where the bolts went through. User would place a chainring on the page and when the holes on the ring went over the holes on the page you'd know what BCD the ring was. As I recall it was on a 8.5" x 11" page.

Is there a chart like that available to download somewhere?

Last edited by BlankCrows; 03-18-08 at 08:37 PM.
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Old 03-18-08, 08:23 PM
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i use to have one.... i'm not sure you can download, but at least its a start
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Old 03-18-08, 08:24 PM
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I've also been looking for this. We had one at the co-op but it grew feet. If anyone has a scan of this I would love to have it.
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