Tire Speed Rating H Versus V
When z speed rated tires were first introduced they were thought to reflect the highest tire speed rating that would ever be required in excess of 240 kmh or 149 mph.
Tire speed rating h versus v. Bmw or mini mo mercedes etc. Recommendations and the tires rated load capacities are customized when speeds exceed 160 kmh 99 mph for all tires up to and including a v speed rating and when speeds exceed 190 kmh 118 mph for all tires that are z speed rated and above. The older method puts the speed rating next to the r for radial in the size. Once the highest speed rating a tire could have v used to represent a maximum of 149 mph 240 kph or more.
Tires with a speed rating higher than 300 kmh 186 mph are indicated by a y in parentheses. This is good information to have for a number of reasons some of which actually include the likelihood of you ever being able to sustain. Prior to 1991 tire speed ratings were shown inside the tire size before the r construction type. While z speed rated tires are capable of speeds in excess of 149 mph how far above 149 mph was not identified.
Speed ratings indicate the highest speed a tire maker considers safe for that tire to travel and is designated by letters such as q s t h v and z along with the tire size information on the. Vredestein v and above repair not endorsed by vredestein 2 repairs h and below reduce 1 speed rating per repair yokohama voided repairs cannot overlap voids materials workmanship and tread wear out warranties. There are two ways the speed rating will be indicated on the tire sidewall. Only 1 repair permitted to retain h and above speed ratings.
A tires speed rating is an indication expressed as a letter code on the tire sidewall of a speed the manufacturer expects the tire to be able to sustain over a long period of time without coming apart. The available codes were sr 180 kmh 112 mph hr 210 kmh 130 mph vr in excess of 210 kmh 130 mph. Nowadays it means 149 mph but no higher. For example 22550hr16 would be an h rated tire and 22550vr16 would be the same size tire except v rated.
91 94 xl etc or oe markings designating that a version was specifically designed for a vehicle manufacturer ex.