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Once you've cleaned them, you need to bed them in again.
Did you do the 5-6 stops from 30kph or whatever bollocks they say?
It's why I don't bother cleaning them these days. Only if they're actually contaminated will I bother cleaning them. The best tactic is to keep them clean as possible to begin with.
hippy
Morning!
Shimano GRX rear.
Good lever travel (stops 10mm from bar), as pads hit the rotor. Reasonably solid feel - feels like the front which isn’t causing me any problems.
There’s very little bite* between the pads (resin) and the rotor. I have cleaned both using dry wet n dry paper and then Muc Off disc brake cleaner (allowing to evaporate and wiping off the excess).
*the brakes drag, but I can’t lock the wheel up. And there’s squealing if I really try to grab a proper handful**.
Are the pads and disc (either or) contaminated? Can I fix it? Will they bed in following my cleaning them?
Do I need to bleed the brake again?
**ooh matron