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  • This topic has 2 replies, 2 voices, and was last updated 14 years ago by CHB.
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  • sticking brake piston – diy or bike shop?
  • Gooner
    Free Member

    i have a sticking rear piston on an xtr brake
    is it easy enough to sort (and if so how) or is it a bike shop job?

    Posted 14 years ago
    retro83
    Free Member

    pump out the pistons a bit (not all the way!) by squeezing the lever with the rotor out

    clean round the pistons with isopropyl alcohol on cotton bud and apply a small amount of lube (eg red rubber grease – I used RSP ultraslick as I know it doesnt eat rubber seals)
    don't use mineral oil brake fluid to lube it as its sticky as hell and will get just sticky again as soon as you go off road

    squeeze pistons back in
    robert is your fathers brother etc

    Posted 14 years ago
    CHB
    Full Member

    gooner, pop yer bike round. Happy to have a faff with it. Should only take 10-20mins max including eating the jaffa cakes you bring with you ;-).

    Posted 14 years ago
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