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I would look at the brake pads and see how low they are. Also check the hub bearings to see if they are worn.
Even though the brake pads look good they might still make noise if the are Semi Metallic brake pads. Sometimes there will be larger pieces of metal in the pads, remove the pads and inspect them to see if you see anything in them. If there is any metal remove it with a pick and sand the brake pads slightly before reinstalling them. Then Road test it.