BCD Measurements

[Nvreloader]

Hey guys
Does anyone know the BCD = bolt center dimeter for a MD 750 chain ring?
I have to add a chain guard and can't seem to find the answer anywhere.
Thanks,
Don

 

[Nvreloader]

As a follow up for my question,
the OEM stock BCD for a MD 750, 44t chain ring 5 hole is 130mm.
Tia,
Don