What grease for brakes?
My brakes are sticking so I was going to take them apart and give them a good clean and put them back together, last time I did this I used copper grease as it is what the dealer I bought the bike from said they used but recently I have been told you really don't want to use copper grease for this as it will damage the pistons? Question is who is right? What ideally should I use if copper grease is no good?
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