• I've just upgraded a front Spyre to a HY/RD. Now, there's a lot more fork judder while braking than there was before - typically at quite low speeds, like pulling up to a light.

    I've done what I think is the obvious stuff (wait a bit for the pads to bed in, tighten up the headset, check disc straightness).

    What might I be missing? Is there a magic incantation? The HY/RDs do have more stopping power, but it's not like they should be shaking the bike apart.

  • What might I be missing? Is there a magic incantation? The HY/RDs do have more stopping power, but it's not like they should be shaking the bike apart.

    Clean the rotor, take out pads, clean with alcohol, then sand it down a bit.

    Once you done that, put it back together, and bed it in again.

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