For CDB and others - BR (Booster Report):

Discussion in 'Mountain Bikes' started by Shaun Rimmer, May 19, 2003.

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  1. Shaun Rimmer

    Shaun Rimmer Guest

    A while ago I posted here asking if any of you folks thought fitting a brake booster to a set of
    Bombers (I'm running discs) would stiffen them 'torsionally'. Don't get me wrong - these forks are
    pretty darned stiff to start with, but they ain't no rigids when it comes to railing around corners,
    or crossing ruts......

    After some debate here as to the merits of this idea, a certain kind soul (Cheers again dude!) sent
    me one all the way from Boise.

    It looked mighty pretty when I got it, and I couldn't wait to fit it and see if it did
    what I wanted.

    I went to fit it, tools in hand, but alas, it wouldn't even nearly clear my big front tyre
    (height-wise). I devised a couple of aluminium plates to raise it up though, and soon enough, I had
    it fitted and looking sturdy.

    I'd missed out on a good bit of off-road testing because of that, and had until Sunday, only any
    testing done on my road commutes.

    I did find the steering felt tighter banking the corners, but the forks were hardly being pushed.
    This Sunday came around, and Kath, her daughter and I were picking up my sister's kids to take them
    to a local park, for a 'green issues' event there, and that gave me the opportunity to hit my old
    stomping ground, Billinge Woods (above the park) on my bike, and meet them down there afterwards.

    I had some drive train issues (other post) that bugged me on the 1 mile ascent to the top of the
    hill, but apart from that, the bike seemed to be performing well, and was tracking the loose washed
    out and rutty gravel fire road well. I got to the top, played about a bit, then set off on the
    downhill single track.

    This first section (again about a mile) is nice and twist, with rocks, ruts and roots the whole way
    down. I stood and hammered a bit, then coasted a while, and the bike railed the corners nicely -
    seemed much tighter and more steering responsive than before. Pity my skills are way down there -
    coulda gotten much more out of her.

    Anyhow, this first bit, and the subsequent mile long stretch both offer plenty of sudden steering
    opportunities, and I must say, I really noticed a difference. The further along I got, the more I
    found I could steer later and quicker than I had been able to in the past, and flipping the front
    wheel out of ruts that went in different ways than I had to go, was so much less of an effort.

    Now, this booster is only a fairly light unit, and of course they are designed to stop fork legs or
    seat stays spreading under the load of V'brakes being applied, but it's made more than enough
    difference to me - I reckon if someone out there has noodlier forks than these, and a fat, heavy
    booster kicking about, the difference for them will likely be greater.

    Well, hope this is of interest to some of you. ',;~}~

    Shaun aRe - This report is based upon my first hand experience(s), and is by no means put forth as
    conjecture, hearsay, or pure bollocks of any kind.
     
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  2. Paladin

    Paladin Guest

    "Shaun Rimmer" <[email protected]> wrote in message
    news:<[email protected]>...
    > A while ago I posted here asking if any of you folks thought fitting a brake booster to a set of
    > Bombers (I'm running discs) would stiffen them 'torsionally'. Don't get me wrong - these forks are
    > pretty darned stiff to start with, but they ain't no rigids when it comes to railing around
    > corners, or crossing ruts......
    >
    > After some debate here as to the merits of this idea, a certain kind soul (Cheers again dude!)
    > sent me one all the way from Boise.

    Glad it's working out. I took it off my red bike when the Freak sent me a Bomber. Gotta keep the
    Goodwill in circulation, you know.

    > Well, hope this is of interest to some of you. ',;~}~

    It is to me, at least. Just a little token of thanks for you Brits helping us win the war. hehehehe

    Paladin

    Opinions expressed above are not necessarily those of the poster nor of his invisible friend.
    >
    > Shaun aRe - This report is based upon my first hand experience(s), and is by no means put forth as
    > conjecture, hearsay, or pure bollocks of any kind.
     
  3. Shaun Rimmer

    Shaun Rimmer Guest

    Paladin <[email protected]> wrote in message news:[email protected]...
    > "Shaun Rimmer" <[email protected]> wrote in message
    news:<[email protected]>...
    > > A while ago I posted here asking if any of you folks thought fitting a
    brake
    > > booster to a set of Bombers (I'm running discs) would stiffen them 'torsionally'. Don't get me
    > > wrong - these forks are pretty darned stiff
    to
    > > start with, but they ain't no rigids when it comes to railing around corners, or crossing
    > > ruts......
    > >
    > > After some debate here as to the merits of this idea, a certain kind
    soul
    > > (Cheers again dude!) sent me one all the way from Boise.
    >
    > Glad it's working out.

    Aye, me too - the 'me' part of my steering is wobbly enough, and needs all the help it can get,
    heheheheh.........

    > I took it off my red bike when the Freak sent me a Bomber. Gotta keep the Goodwill in circulation,
    > you know.

    Oh aye! - I'm trying to build up a couple of bikes for people outa my spares/extras etc. at the
    minute. One is really more of a tune-up/parts fettle on an old steely with thumbies that belongs to
    Kath (she wants to give riding to work a try), the other is my old Aluminium hard tail that needs
    de-SSing and fixing up for a mate of mine - he had his old Muddy Fox stolen some while ago, they've
    just had a baby (expensive little suckers), and he also wants to be riding to work (again).

    Gotta keep that ol' karma a-flowin' eh?

    > > Well, hope this is of interest to some of you. ',;~}~
    >
    > It is to me, at least. Just a little token of thanks for you Brits helping us win the war.
    > hehehehe

    Arse! Heheheheh.......

    > Paladin
    >
    > Opinions expressed above are not necessarily those of the poster nor of his invisible friend.
    > >
    > > Shaun aRe - This report is based upon my first hand experience(s), and
    is by
    > > no means put forth as conjecture, hearsay, or pure bollocks of any kind.
     
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