Keep an eye on the pressure in the tires - this will ensure their greater mileage.
Replace discs if they are bent, not holding tire pressure, have loose bolt holes, rusted, or lost symmetry ("eight") or do not hold the fixing nuts tight. Repair of discs is not recommended.
Pic. 30.1 Tire size code
Wheel balancing is very important for vehicle handling, proper brake performance and tire life.