The brake pads need well-timed servicing or replacing that is important for your car to perform as efficiently and effectively as it was originally designed.
The wheel alignment is important for the handling of the car and necessary to avoid tyre wear and tear. A proper aligned car will have good control, acceleration and braking
A tyre balance improves the weight imbalance on your tyre and wheel parts. The proper weight not reaching the tyre will lead to vibration in your steering wheel, floorboard and seat.
The greatest benefit of nitrogen tyre inflation compared to standard compressed air is that nitrogen will help keep tires inflated longer.
A cracked rim should be repaired as soon as possible, so it does not cause further damage to your tire. It is a safety hazard because the tire has potential to blowout.