Originally Posted by
jonestr
Bolt Circle Diameter so the distance between adjacent holes is not the diameter as line does not pass through the center of the circle that has all of the bolt holes on its circumference. I think Sheldon has a conversion from measuring between adjacent holes and finding the BCD.
Rocket Rings should take both 110BCD and 130BCD
Ooh, thanks for that clarification in terms of measuring the BCD.