Help with brakes

anthonyhaworthWjLojXCs
anthonyhaworthWjLojXCs Posts: 13
in MTB workshop & tech
Hi people.... I was out yesterday and everytime i brake hard i can feel my brakes juddering on both front and back.. But there ok when pull them soft... Any ideas

Comments

  • david37
    david37 Posts: 1,313
    clean them
  • anthonyhaworthWjLojXCs
    anthonyhaworthWjLojXCs Posts: 13
    So this is perfectly normal
  • veronese68
    veronese68 Posts: 27,869
    Possibly, has it always done that?
    Kinesis Pro6
    Marin Nail Trail
    Cotic Solaris
  • anthonyhaworthWjLojXCs
    anthonyhaworthWjLojXCs Posts: 13
    I bought it second hand about a week ago...
  • anthonyhaworthWjLojXCs
    anthonyhaworthWjLojXCs Posts: 13
    And it was hardly used and in mint condition
  • anthonyhaworthWjLojXCs
    anthonyhaworthWjLojXCs Posts: 13
    The bike is a voodoo canzo 2016.. Forks are suntour epixon.. Brakes are tekro auriga
  • steve_sordy
    steve_sordy Posts: 2,454
    I would bet on contamination of either pads or disc, probably both. It's easy to get contamination from oily road surfaces. I transport my bike on a towbar rack and I always protect the discs with zip-lock sandwich bags.

    The discs can be cleaned with isopropyl alcohol (IPA) or any brake cleaner.

    Pads are harder to deal with and may be irrecoverable. But it's always worth a go. Remove the pads and rub each one in a circular fashion on a piece of sandpaper or emery cloth laid on a flat surface. 80 grit ought to be OK. It should not take long, keep blowing away the dust. The surface should look cleaner and no longer shiny.

    Refit the pads and bed in the brakes (see YouTube). This step is important!
  • anthonyhaworthWjLojXCs
    anthonyhaworthWjLojXCs Posts: 13
    Thank you

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