What is the difference between 91v and 91h?

1 Answers
Neil
07/29/25 10:32am
The difference between 91v and 91h lies in their speed ratings: 91v indicates a maximum speed of 240 km/h under load-bearing conditions, while 91h represents a maximum speed of 210 km/h under the same conditions. Here, 91 is the load index, denoting the standard load capacity the tire can bear at different pressures—a 91-rated tire can support 615 kg at 2.5 Bar. Methods for tire maintenance include: 1. Regularly checking tire pressure; 2. Inspecting tires for bulges, cracks, cuts, punctures, or abnormal wear; 3. Removing foreign objects like stones, metal pieces, or nails from tire treads; 4. Performing wheel alignment or tire balancing.
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