• Long live the BB7.

    On hydro brakes, does anyone have a good guide for swapping over hydro calipers? I've never actually swapped some over before, and want to swap flat mount for post mount.

  • It completely depends on the hose connection. If they've both got the same hose connection (Banjo or compression nut) then I would suggest:

    1. Tilt the bike so the brake is the highest point.
    2. Undo the banjo bolt or compression nut.
    3. Replace caliper on frame.
    4. Reinstall hose to new caliper.

    If the new caliper is already bled, then you probably won't need to bleed them. If the new caliper doesn't have any fluid in it already, then do a gravity bleed.

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