If it's five bolt it's 99% certain to be 58bcd (the 1% being a stronglight triple with an inner BCD of 66) If it's four bolt it's 64bcd.
I think that covers every posibilty (except those cranks that use screw on cogs?)
@Khornight2 started
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If it's five bolt it's 99% certain to be 58bcd (the 1% being a stronglight triple with an inner BCD of 66)
If it's four bolt it's 64bcd.
I think that covers every posibilty (except those cranks that use screw on cogs?)