Brake binding issue – help needed

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  • Brake binding issue – help needed
  • Premier Icon DaveRambo
    Subscriber

    Looking for some help on working out why my rear brake binds.

    Shimano SLX brakes – newish pads (but happens with old or new)
    No play in wheel hub
    Brake pads clear the disc when spun stationary
    Disc not warped
    Pistons cleaned, brakes bled OK and work perfectly most of the time at low-medium speeds

    The problem occurs when I’m travelling fast and freewheeling. The rear brake seems to be binding and there is a burring noise and the pads end up overheating.
    If I pedal then it stops. Sometimes briefly applying the brakes makes it stop for a short period.

    I thought it might be some sort of vibration that happens at speed but when inspecting the bike stationary everything seems solid and as it should be.

    Anyone got any ideas?

    Premier Icon wwaswas
    Subscriber

    wheel moving slightly in frame under load?

    Premier Icon DaveRambo
    Subscriber

    I tighten the skewers up pretty tight and it only happens when I freewheel – and it does happen when riding smooth surfaces in a straight line.

    I’m stumped.

    b r
    Member

    wheel and/or rear fork moving/flexing?

    bigyinn
    Member

    I’d be taking the hub apart and checking the freehub mounting bolt is tight in the shell.
    That means taking the axle out, so you need to know how to service your hub before you start.

    Premier Icon DaveRambo
    Subscriber

    good ideas – I think I need me spanners and a hammer 🙂

Viewing 6 posts - 1 through 6 (of 6 total)

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