Originally Posted by
sailorbenjamin
Sheldon has a way to measure BCD on 3 bolt cranks.
I took the big sprocket off of a dead freewheel for mine. I've since picked up a shiny cassette sprocket with 6 arms to replace it with. I haven't had time to do the drilling yet so you'll have to imagine how cool this will look.
http://i291.photobucket.com/albums/l...qoLJNmw_35.jpg[/IMG]
Yep......that's what I'm lookin' to do. Maybe I can find a cassette cog cheap enough on ebay. Otherwise, they're like $35, right?