Roadie Crank install question

MTB Aussie

Member
I am (re)installing an FSA slk K-Force carbon crank on my roadie. On the non drive side there was a small washer/o-ring between the crank arm and BB bearing contact. The washer seemed to have been installed with some kind of silicon or other blue plastic material or it used to be a metal/synthetic o-ring before I wore it down riding. I looked online and it mentions the o-rings that get installed between the crank arm and BB but doesnt say whether they are plastic coated or metal with some kind of compound applied at install time. Does anyone know the deal here? Do I need to track down a new part or can I put the metal ring back on it as is?

thanks.
Tim
 

jimvreeland

Endurance Guy: Tolerates most of us.
You can just clean it all out (including that little dust cover), throw a little grease on the splines before you put it back through the BB cups, and drop a little oil in the crank bolt side. vi-ola. Just make sure you don't over tighten it or your cranks won't spin.

-Jim.
 
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