Mountain Bikes · Public discussion

Hayes HFX9 info

Started by Dre · · Last activity · 5 posts · 479 views

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Mountain Bikes
Published
13 September 2006
Last activity
13 September 2006
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Dre
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  1. Hi all, I bought a set of brand new in box Hayes HFX9 V8's off ebay not long
    ago (yeah I know), they arrived last night and I installed em.

    They feel all wrong. First off the front brake lever has heaps more travel
    than my other set of V8's on my other bike, and when it finally engages, it
    doesn't have as much power as the other bike.

    The rears hardly engage at all and you can feel the piston in the brake
    lever bottom out (is that bad for seals?)

    Is this a good indication that they need re-oiling and a bleed???

    I've never had empty hydraulic brakes before, only working ones so I dunno
    whats going on...

    Cheers Dre

  2. Dre said:

    Hi all, I bought a set of brand new in box Hayes HFX9 V8's off ebay not long
    ago (yeah I know), they arrived last night and I installed em.

    They feel all wrong. First off the front brake lever has heaps more travel
    than my other set of V8's on my other bike, and when it finally engages, it
    doesn't have as much power as the other bike.

    The rears hardly engage at all and you can feel the piston in the brake
    lever bottom out (is that bad for seals?)

    Is this a good indication that they need re-oiling and a bleed???

    I've never had empty hydraulic brakes before, only working ones so I dunno
    whats going on...

    Cheers Dre


    Yeah, a good bleed and re-centering everything would do wonders.

    Michael Halliwell

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

    Quoted message said:

    Hi all, I bought a set of brand new in box Hayes HFX9 V8's off ebay not


    long

    Quoted message said:

    ago (yeah I know), they arrived last night and I installed em.

    They feel all wrong. First off the front brake lever has heaps more


    travel

    Quoted message said:

    than my other set of V8's on my other bike, and when it finally engages,


    it

    Quoted message said:

    doesn't have as much power as the other bike.

    The rears hardly engage at all and you can feel the piston in the brake
    lever bottom out (is that bad for seals?)

    Is this a good indication that they need re-oiling and a bleed???

    Sounds like they need bleeding. I just bled mine a couple of hours ago and
    finaly got it right after more attempts than I'll admit to. HFX9s work
    reasonably well when they're setup right but they are notoriously difficult
    to get right.
    I tried to get by without the bleed kit but until I managed to find/make all
    the right size hoses/connectors I'd wasted a lot of time.

  4. "Michael Halliwell" <[email hidden]> wrote in message
    news:SiLNg.535790$iF6.138845@pd7tw2no...

    Quoted message said:
    Dre said:

    Hi all, I bought a set of brand new in box Hayes HFX9 V8's off ebay not
    long ago (yeah I know), they arrived last night and I installed em.

    They feel all wrong. First off the front brake lever has heaps more
    travel than my other set of V8's on my other bike, and when it finally
    engages, it doesn't have as much power as the other bike.

    The rears hardly engage at all and you can feel the piston in the brake
    lever bottom out (is that bad for seals?)

    Is this a good indication that they need re-oiling and a bleed???

    I've never had empty hydraulic brakes before, only working ones so I dunno
    whats going on...

    Cheers Dre


    Yeah, a good bleed and re-centering everything would do wonders.

    Michael Halliwell

    Nice, thats what I was hoping. I've never had new hydro's that needed
    bleeding from the factory so dunno how they feel 🙂

    Cheers Dre

  5. "Duncan" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

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

    Quoted message said:

    Hi all, I bought a set of brand new in box Hayes HFX9 V8's off ebay not


    long

    Quoted message said:

    ago (yeah I know), they arrived last night and I installed em.

    They feel all wrong. First off the front brake lever has heaps more


    travel

    Quoted message said:

    than my other set of V8's on my other bike, and when it finally engages,


    it

    Quoted message said:

    doesn't have as much power as the other bike.

    The rears hardly engage at all and you can feel the piston in the brake
    lever bottom out (is that bad for seals?)

    Is this a good indication that they need re-oiling and a bleed???

    Sounds like they need bleeding. I just bled mine a couple of hours ago
    and
    finaly got it right after more attempts than I'll admit to. HFX9s work
    reasonably well when they're setup right but they are notoriously
    difficult
    to get right.
    I tried to get by without the bleed kit but until I managed to find/make
    all
    the right size hoses/connectors I'd wasted a lot of time.


    Good stuff, just what I wanna hear. I dont have a bleed kit yet (still on
    back order) so its booked in to get it done at the LBS tomorrow.

    Cheers Dre

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