Bolt Circle Diameter.
This is the diameter of a circle drawn that passes through all five chainring bolts and it is absolutely vital that these are the same on both your cranks and chainring. What cranks are you using?
@turpe started
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Bolt Circle Diameter.
This is the diameter of a circle drawn that passes through all five chainring bolts and it is absolutely vital that these are the same on both your cranks and chainring. What cranks are you using?