What is the Tire Specification Replacement Guide?

[Curtis]

The "Tire Specification Replacement Guide" is a Chinese national standard implemented on September 1, 2018. Below is more relevant information: Main drafting units: Double Star Group Co., Ltd., Shandong Linglong Tyre Co., Ltd., Chaoyang Long March Tyre Co., Ltd., Triangle Tyre Co., Ltd., Beijing Research & Design Institute of Rubber Industry, Wanli Tire Co., Ltd., Zhongce Rubber Group Co., Ltd., Double Coin Group Shanghai Tyre Research Institute Co., Ltd., Qingdao Sentury Tire Co., Ltd., Anhui Giti Passenger Radial Tire Co., Ltd., Sailun Jinyu Group Co., Ltd., Guizhou Tyre Co., Ltd., Dalian Goodyear Tyre Co., Ltd., Continental Tyre (China) Co., Ltd., Sumitomo Rubber (China) Co., Ltd., SAIC-GM-Wuling Automobile Co., Ltd., CITIC Dicastal Co., Ltd., Nanjing Iveco Automobile Co., Ltd.

[DiAlessandra]

As someone who often helps friends with car repairs, I believe the key to tire specification replacement is safety matching. The original specifications such as width, aspect ratio, and rim diameter must be matched. For example, if your car is labeled 205/55R16, don't casually change the size when getting new tires, otherwise, handling could become uncontrollable, and the car might shake severely at high speeds. I've seen cases where people forced size changes and ended up with tire blowouts—it's too dangerous. Also, pay attention to the speed rating and load index; don't cheap out and buy lower specifications, or the tire might fail due to insufficient load capacity. It's best to use professional tools to measure the diameter difference between old and new tires within 3%, otherwise, the speedometer might be inaccurate, and the ABS could malfunction. I recommend finding a reliable repair shop to check the specification manual—don't experiment blindly on your own. If switching to all-season or winter tires, also consider weather adaptability to ensure good traction and avoid winter skidding accidents. Regularly check tire wear and pressure, and don't overlook these details when replacing tires—safety on the road comes first.

[Cora]

When I first bought a car, I didn't know much about tires and ended up replacing worn ones with different specifications. This made the car feel unstable and caused a huge spike in fuel consumption. Later, I learned my lesson—the key to replacing tires is first checking the vehicle manual for the original specifications, like the exact numbers 185/65R15, which must match precisely. If the load index is too low, the car won’t handle heavy loads well, and at high speeds, braking becomes unreliable. Nowadays, I recommend consulting experts at tire shops who use software to verify the allowable range. Replacement also depends on usage—for city commuting, low rolling resistance tires save fuel. Tire pressure must be maintained at the standard value, and after replacement, alignment should be adjusted to avoid uneven wear. My personal advice: don’t blindly buy online; test drive to confirm comfort. Developing regular maintenance habits can prevent problems.

[LeCorey]

Hey, as a car enthusiast, I love upgrading tires for a cooler look, but replacing specs requires careful consideration. Don't randomly alter the factory settings like 225/50R17, otherwise the rims may be incompatible and get stuck. If you want to increase the size, first check that the overall diameter change is controlled within 3% - wheels that are too big may rub against the body. Matching the speed index can improve acceleration. I've tried low-profile tires for a more eye-catching look, but make sure they have safety certifications. It's recommended to use apps or websites to compare brand compatibility, and don't sacrifice handling for style. Remember to calibrate the tire pressure monitoring system, because smooth daily driving is what really matters.