Mountain Bikes · Public discussion

NEED A TECH TIP

Started by Ryan Ireland · · Last activity · 9 posts · 784 views

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Mountain Bikes
Published
19 August 2003
Last activity
19 August 2003
Original author
Ryan Ireland
Posts
9
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Public discussion
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  1. Is there any way to increase the power of my front Hayes mechanical disc brake. It doesn't really
    bite the rotor. I have installed new pads, cleaned the rotors and installed a new cable, but there
    was very little performance gain. Is there a trick to the actual set-up of the disc brake. Any help
    is appreciated.. Ry

  2. Ryan Ireland said:

    Is there any way to increase the power of my front Hayes mechanical disc brake. It doesn't really
    bite the rotor. I have installed new pads, cleaned the rotors and installed a new cable, but there
    was very little performance gain. Is there a trick to the actual set-up of the disc brake. Any
    help is appreciated.. Ry


    Mine are more than powerful enough. I can lock the front wheel at speed on pavement.

    How did you clean the rotor? If you get oil on it, you won't get it off with alcohol (IME). You need
    to scrub it off. I find that mud is the best thing to do this. Just get some fine mud and smear it
    on both sides. Make sure that there're no stones in the rotor holes -- they'll gouge the pads.
    Brake. It's best to do this at the top of a hill. If there's not enough improvement, repeat. If you
    can't find mud (not a problem this year around here), make some with dirt and a little water from
    your hydration pak.

    I find that Hayes pads are pretty good. But, you might try EBC. I use them because they have a
    better tolerance to oil comtamination, which I just can't seem to avoid around here (it didn't help
    that my fork damping cartridge oil seal failed recently 🙂).

    David

  3. "David Kunz" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:
    Ryan Ireland said:

    Is there any way to increase the power of my front Hayes mechanical disc brake. It doesn't
    really bite the rotor. I have installed new pads,


    cleaned

    Quoted message said:
    Quoted message said:

    the rotors and installed a new cable, but there was very little


    performance

    Quoted message said:
    Quoted message said:

    gain. Is there a trick to the actual set-up of the disc brake. Any help


    is

    Quoted message said:
    Quoted message said:

    appreciated.. Ry


    Mine are more than powerful enough. I can lock the front wheel at speed on pavement.

    Same here.. All I can say is check for contamination, as this can be a bugger (Can ya tell I'm a
    Brit!) Other than that make sure you bed the pads in very well. I tend to accellerate to as fast as
    I can on the flat or a slight downhill tarmac/pavement & brake as hard as I can at least 20 times
    (Not forgetting to slide all the way BACK OFF the seat so you don't instant endo!) This really does
    the trick with the pads & makes them grip like hell. cya Phil

  4. Does your rear make that Bubbly popping slide noise. if so its worn in. the front i assume doesnt.
    mine doesnt either. i mean Mine bites the rotor. but you just have to squeeze harder lean back more.
    I do it too the extent of locking up the front tire and skidding. thats l33t.

    "Ryan Ireland" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Is there any way to increase the power of my front Hayes mechanical disc brake. It doesn't really
    bite the rotor. I have installed new pads,


    cleaned

    Quoted message said:

    the rotors and installed a new cable, but there was very little


    performance

    Quoted message said:

    gain. Is there a trick to the actual set-up of the disc brake. Any help


    is

    Quoted message said:

    appreciated.. Ry

  5. Ryan Ireland <[email hidden]> spoke thusly...

    Quoted message said:

    Is there any way to increase the power of my front Hayes mechanical disc brake. It doesn't really
    bite the rotor. I have installed new pads, cleaned the rotors and installed a new cable, but there
    was very little performance gain. Is there a trick to the actual set-up of the disc brake. Any
    help is appreciated.. Ry

    one question (and inherent possible suggestion), do bike disk brakes have a problem with glazing,
    like automotive brakes?
    --
    ~Travis

    megalink.net~farmers

  6. Merlin said:

    Ryan Ireland <[email hidden]> spoke thusly...

    Quoted message said:

    Is there any way to increase the power of my front Hayes mechanical disc brake. It doesn't really
    bite the rotor. I have installed new pads, cleaned the rotors and installed a new cable, but there
    was very little performance gain. Is there a trick to the actual set-up of the disc brake. Any
    help is appreciated.. Ry

    one question (and inherent possible suggestion), do bike disk brakes have a problem with glazing,
    like automotive brakes?

    I've been told that they don't get hot enough. However, IME, the layer of what ever I'm getting off
    when my brakes start to not work well is very stubborn and needs grit to do a good job -- seems like
    glaze to me 🙂.

    David

  7. David Kunz <[email hidden]> spoke thusly...

    Quoted message said:
    Merlin said:

    Ryan Ireland <[email hidden]> spoke thusly...

    Quoted message said:

    Is there any way to increase the power of my front Hayes mechanical disc brake. It doesn't
    really bite the rotor. I have installed new pads, cleaned the rotors and installed a new cable,
    but there was very little performance gain. Is there a trick to the actual set-up of the disc
    brake. Any help is appreciated.. Ry

    one question (and inherent possible suggestion), do bike disk brakes have a problem with
    glazing, like automotive brakes?

    I've been told that they don't get hot enough. However, IME, the layer of what ever I'm getting
    off when my brakes start to not work well is very stubborn and needs grit to do a good job --
    seems like glaze to me 🙂.

    David

    may not be glazing, but it's sibling, polishing. either way, a light sanding of the pads and rotor
    (pads in a \\\\ pattern, and rotor in a //// pattern. very light, just to remove the shine. note,
    orientation is about 30 - 45 degrees off perpendicular line of travel.) may be the solution, if they
    are not contaminated.
    --
    ~Travis

    megalink.net~farmers

  8. "Mitch Pollard" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Does your rear make that Bubbly popping slide noise

    On occasion.

    Bill "thought this was a brake thread" S.

  9. RE/

    Quoted message said:

    I find that mud is the best thing to do this. Just get some fine mud and smear it on both sides.
    Make sure that there're no stones in the rotor holes -- they'll gouge the pads. Brake. It's best
    to do this at the top of a hill. If there's not enough improvement, repeat. If you can't find
    mud (not a problem this year around here), make some with dirt and a little water from your
    hydration pak.

    Also, as somebody else observed, for the mud-challenged, there's rubbing compound at the local auto
    supply store.
    -----------------------
    PeteCresswell

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