Gravel / Gravé / Gnarmac / Groad / ATB

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Netakure in reply to @edscoble

I only do this when the pistons won't stay back, but it's good advice for home mechanics

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snottyotter in reply to @Netakure

Yeah, if they've been overfilled or whatever and they don't retract fully I'll let some escape at the lever, but it's never caused a problem on the hundred of brakes I've done that haven't needed that.

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edscoble in reply to @snottyotter

it's never caused a problem on the hundred of brakes I've done that haven't needed that.

You’re definitely lucky, even Shimano themselves specifically said to open bleed port before spreading piston.

It’s very common on the later Shimano shifter from R7000/8000 etc.

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