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What does 102h on a tire mean?

2 Answers

LandonRose

07/29/25 12:42am

The 102h on a tire represents the following: 102 indicates the tire's load index, corresponding to a maximum single-tire load of 850kg. H represents the tire's speed rating, with H corresponding to a maximum speed of 210km/h. Below is a detailed explanation of the tire: 1. Tire model identification method, for example, a tire marked as 195/65-R15-88H: 1. Tire width of 195mm. 2. Aspect ratio of the tire section is 65%. 3. Wheel diameter of 15 inches. 4. Load index of 88. 5. Speed rating of H. 2. The maximum load capacity is indicated by the load index. The relationship between common load indices (LI) and actual load values (kg) is as follows: 1. 100 corresponds to a maximum single-tire load of 800kg. 2. 101 corresponds to a maximum single-tire load of 825kg. 3. 102 corresponds to a maximum single-tire load of 850kg. 4. 103 corresponds to a maximum single-tire load of 875kg. 3. Tires are marked with speed limit symbols, represented by letters such as P, R, S, T, H, V, Z, etc., indicating the maximum speed at which the tire can carry the specified load under defined conditions: 1. Q-160 km/h. 2. R-170 km/h. 3. S-180 km/h.

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OAaliyah

08/12/25 4:54am

The 102H on tires isn't just randomly printed. Having driven for years and changed many tires, mechanics told me that 102 is the load index, roughly indicating each tire can bear 850kg. H stands for speed rating, allowing a maximum speed of 210km/h. You must match the original specifications when choosing tires, otherwise you'll experience vibrations and unstable braking - I've personally encountered dangerous loss of control at high speeds due to mismatched tires. Exceeding load capacity risks blowouts, while higher speeds accelerate wear. I recommend regularly checking sidewalls, noting details like tire size and type (SUV tires differ from sports car tires). Regular inspections of wear and pressure can extend tire life. This knowledge has saved me money and improved safety - never overlook these small markings, they give peace of mind while driving.

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