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  1. #1
    mtbr member
    Join Date
    Jul 2009

    br-m755 disc brakes

    Anybody know if the calipers and levers (master cylinder) can be overhauled? I have had this brake set for 8-9 years and still absolutely love it. However, I'm thinking that the O-rings on the pistons in the calipers and levers won't last forever. I have been unable to find a breakdown that even shows these parts, but I have to believe they are just standard MS O-rings. If anyone has replaced them and may know the sizes, please provide. Also, though I prefer to overhaul them myself, if anyone knows of a shop that can OH them, that would help as well.

  2. #2
    nnn is offline
    mtbr member
    Reputation: nnn's Avatar
    Join Date
    Feb 2005
    There are packs of spares called "Shimano small parts kit" or something along those lines which contain most of the bits needed for a rebuild. I know many shops have them but they get them from Shimano suppliers, so not sure baout buying one as a consumer..
    "Life begins at 140" Richard Burns

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