• Noob question, just got my first hydraulic calipers (hope). The pistons aren’t retracting. No idea what to do. Bought from hope already connected up to the hoses and levers. Any thoughts? Cheers.


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  • Did you bleed them?

    They look clear? Are they new? By this I mean it doesn't look a dirt stuck piston issue. So i will go with there is too much fluid in the system.

    Take the pads out of the caliper .Open the reservoir, is there a maximum line? Remove a little fluid. Push the piston back into the caliper. Put the cap back on reservoir. Loosen caliper bolts. Re insert pads. squeeze lever a few times. Hold lever squeezed and tighten caliper bolts. Good?

  • They are retracting, there's clearly movement. What's the actual problem? Are the pads rubbing on the disc? Have you tried to centre the disc yet?

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