Originally Posted by
HillRider
For their square taper cranks/bottom brackets Campagnolo, for reasons no one seems to understand, says absolutely no grease while Shimano doesn't specify either way.
However, a mechanical engineer and very good bike mechanic I know says grease should always be used for this type of interface.
I don't quite understand Campagnolo's reasoning, which means I do what I want. I always lube metal-to-metal interfaces just out of principle I guess. Never had an issue with Campagnolo cranks.