225 55r18_automotive parts

The last number, 20, indicates the diameter of the wheel rim in inches that the tire is designed to fit. In this case, the tire fits a 20-inch wheel. It is essential to pair the correct size tire with the appropriate rim to ensure safety and optimal performance. A larger wheel diameter can impact the vehicle's handling characteristics, as it often leads to a lower sidewall height and a sportier ride. However, it can also lead to a harsher ride due to less sidewall flex.


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TPMS is an electronic system that continuously monitors the air pressure inside the tires. It alerts the driver when tire pressure falls below a predetermined level, which is crucial for maintaining optimal driving conditions. According to the National Highway Traffic Safety Administration (NHTSA), under-inflated tires can lead to decreased fuel efficiency, reduced tire life, and increased risk of tire blowouts, making TPMS an invaluable technology for vehicle safety.


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