What speed does the 'V' on tires represent?

2 Answers
SanJohn
09/05/25 8:08am
The 'V' on tires represents a speed of 240 km/h. Car tires are one of the crucial components of a vehicle, directly in contact with the ground. Together with the car's suspension system, they help absorb shocks encountered during driving, ensuring good comfort and smooth driving performance. High-quality tires ensure excellent adhesion between the wheels and the road surface, thereby enhancing the vehicle's traction and driving performance. When a car travels at high speeds, the entire tire's temperature rises, leading to increased tread wear. Every tire has a designed critical speed; when high-speed driving reaches this limit, standing waves can form on the tire. Continued use under such conditions poses a risk of tire blowout.
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DiAaron
09/17/25 8:18am
When helping friends understand car tires, I always emphasize the importance of speed ratings. The 'V' in tire specifications represents a maximum speed of 240 km/h, such as in common tire codes like 225/45R17 followed by 94V. This system is established by international standards, with 'V' being the second-highest speed rating, similar to 'W' representing 270 km/h and 'H' for 210 km/h. It's crucial to choose tires that match your vehicle's top speed; if your car's maximum speed is 180 km/h, V-rated tires are fine, but for speeds above 240 km/h, you should upgrade to W-rated tires to prevent overheating and blowouts. Regularly checking tire labels during maintenance can prevent accidents, and I recommend consulting the owner's manual when getting new tires to ensure compatibility.
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