M737 crankset

cyb

Retro Guru
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Hello boys, I'm going to biuld a good steel frame (see liyang link on my signature) :)
Now i'm putting on it a crank from XT M737.
Is there any spacer that goes between middle ring and crankarms?
It seems to me that it'd need it...
Or do i have to put middle and outer ring just on the crankarms without any washer. . .
thanks ;)

cyb
 
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