Anyone know anything about disc brakes?

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photoben

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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andyp in reply to @photoben

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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snottyotter in reply to @andyp

They should have a bit more clearance than that, although they do sit closer than Shimano calipers.
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photoben in reply to @andyp

Yeah, there’s retraction, but not enough. They are rubbing. I can push them apart with a gently with a flathead, but soon as a squeeze them the close but don’t fully open again.

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