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  1. #1
    wish I were riding!
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    Jan 2009
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    Bonking ... not feelin' well Throbbing/Pulseating rear Hayes hydro help

    Help! I have a 2002 Trek Fuel 100 I'm prepping for selling. It has the one of the first versions of Hayes hydraulics, it doesn't even have a model name written on it. I swapped out the rear 160mm rotor since it wasn't true and put in a slightly used replacement rotor. Now when I ride it there is much less braking force available on the rear, and I can feel a terrible throbbing/vibrating at the brake lever. I double checked to make sure I installed the rotor with the correct rotating direction. The rotor itself looks good, I'm at a loss for what could be wrong with it. Any advice would be greatly appreciated!
    Brakes? Who needs brakes?!?! They just slow you down...

  2. #2
    mtbr member
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    Mar 2009
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    did you seat the new rotor to the pads?
    how much have you ridden the bike with the new rotor?
    Why not just true the old rotor?

  3. #3
    wish I were riding!
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    Jan 2009
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    41
    Well, I think I did my best with the rotor seating, I'll redo it again. I only went for a short ride through the neighborhood with it so far. The old rotor was badly worn and I've since done some interesting experiments with it so it's not really usable anymore. Thanks for the reply though! I might try another rotor that I have lying around.
    Brakes? Who needs brakes?!?! They just slow you down...

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