If you buy a regular (Outer) chain ring for FC-M951, 46T), you don't have to deal with 112mm BCD or what BCD soever. It's attached to the crank arm directly.
http://bernd.sluka.de/Fahrrad/Shimano/TM/FC-M951_1998.gif
@Dutch_Cheese started
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If you buy a regular (Outer) chain ring for FC-M951, 46T), you don't have to deal with 112mm BCD or what BCD soever.
It's attached to the crank arm directly.
http://bernd.sluka.de/Fahrrad/Shimano/TM/FC-M951_1998.gif