Anyone know anything about disc brakes?

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motman

I got my son a second hand cross bike a while back running Shimano BR-RS785 hydraulic calipers. The pads were pretty worn and the front brake was pretty ineffective. So just replaced all the pads and cleaned the rotors and now the back wheel is really solid but the front is still not gripping properly. Is it just a case of bedding in the pads or does it need bleeding?

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Ben689908 in reply to @motman

Spongy or just not stopping the rotor? Or both?

Spongy - bleed (would recommend bleeding front and back on a second hand bike anyway).

No friction - contaminated pad or disc. So could be that the disc is scoured and needs a rub with emery / wet n dry.

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motman in reply to @Ben689908

They do feel a bit spongy actually so bleeding them sounds like the best course of action.

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