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Discussion Starter · #1 ·
I was going to switch my pads on my Martas and I usually take a cotton swab and wipe out as much as I can around the piston. Is there something I should use to keep the pistons moving freely? Maybe a thin layer of some kind of lube around the seal of the piston?
 

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No, that's not phonetic
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The only "lube" that is recommended is Magura mineral oil ("Royal Blood"). Try this: advance the pistons out a bit (squeeze the lever slowly), dribble a few drops of mineral oil around the pistons, push the pistons back in, advance them again, add a bit of min oil, etc. Do this a couple of times. Push the pistons in one last time, floss the inside of the caliper well with a nappy rag, and install the pads. Any extra oil remaining could foul the pads, so err on the side of wiping the inside of the rotor slot out well.
 

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Discussion Starter · #3 ·
thanks, I will try that when I put the pads in
 
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