Are the tires actually rubbing or do you just hear a noise? If they are rubbing you have a serious front end problem. If you are just hearing a noise it could be that your front brake pads are worn out. There is a little metal pad built onto the brake pads that rub when the pads are worn out, telling you that it is time to have them attended to.
New brake pads can squeal until the are broken in. Some cheaper pads make noise all of the time. If the pads continue to make noise there are chemicals that can be put on the pads to quiet the noise.
Low brake pads, misassembled brake parts?
To fix rubbing bike brakes, first check if the brake pads are aligned properly with the wheel rims. Adjust the position of the brake pads if needed. Next, make sure the wheel is centered in the frame and not rubbing against the brake pads. If the issue persists, consider cleaning or replacing the brake pads.
Bad brake pads (wear indicator rubbing rotor), brake pads not retracting and rubbing rotor, or bad wheel bearings. You need to have this looked at before possible great damage is done.
if you didnt turn the rotors they will do that until they wear into the grooves
Most likely the noise is from the brake pads rubbing against the brake drums. This may be because the pads are worn out- makes sort of a scraping noise. This condition requires immediate attention. Some type of pads squeak when they are new and in damp weather - annoying but not a real problem. If you get a thumping, bumping noise, something is lose-- make sure your wheels are all bolted on securely. Check your shocks and see a mechanic.
Your bicycle disc brake may squeal due to vibrations caused by the brake pads rubbing against the rotor. This can happen if the pads are worn down or contaminated with dirt or oil. Adjusting or replacing the brake pads can help reduce the squealing noise.
Your rear bike brake may be rubbing due to misalignment or wear on the brake pads. To fix it, you can try adjusting the brake caliper position, realigning the brake pads, or replacing worn brake pads.
Your bike brake may be rubbing due to misalignment or wear on the brake pads. To fix it, you can adjust the brake caliper position or replace the brake pads if they are worn out.
Brake pads could be loose or falling apart.
The bike brake noise could be caused by dirt or debris on the brake pads or rotor, misalignment of the brake pads, or worn brake pads. To fix it, you can clean the brake pads and rotor, adjust the alignment of the brake pads, or replace the worn brake pads.