It's a speed rating, in this case meaning 'up to 130 mph'.
In a tire with metric sizing, on an example of 120/70ZR17: 120=tire width in millimeters 70=aspect ratio Z=speed rating R=construction type 17=rim diameter in inches In a tire with alpha numeric sizing, on an example of MT90H16: M=motorcycle use T=tire width code 90=aspect ratio H=speed rating 16=rim diameter
rating pending means that the esrb is still deciding on the rating
To change an actual tire you need a tire machine to get it off the rim and the new one on. -If you mean the change the WHEEL and tire on a car, then you just need a jack and a tire wrench.
AnswerThe W in 91W after the size code indicates a speed rating. While these tires are proably Z rated (speeds in excess of 149MPH) in the tire size the W indicates that the tires are rated to a higher speed. W and X were added since there were no guidelines about how much over 149 Z rated tires were good for.W indicates a top rated speed of 168MPH._____The "91" indicates load capacity per tire! You'll get about 1350lbs per tire.:)
In modern tire sizing, the 88V at the end refers to it's load and speed rating. The '88' means it has a load capacity of 1,235 pounds and the 'V' is for 149 miles per hour (or 240 km, per hour). - This sounds like a tire for a large fast SUV.
H speed rating is 130 mph maximum.
The H is the speed rating. The H rating means the tire has a speed rating of up to 130 mph. http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=35
That is the speed rating of the tire. H is rated up to 130 mph.
The 99 is the load rating and the H is the speed rating. The higher the load number the more weight the tire can carry. The speed number H means it is rated to 130 mph.
Symbol Speed Speed (km/h) Speed (mph) A153A2106A3159A42012A52516A63019A84025B5031C6037D6540E7043F8050G9056J10062K11068L12075M13081N14087P15094Q160100R170106S180112T190118U200124H210130V240149W270168Y300186
Tread is 195 mm wide. Sidewall is 60 percent of 195 mm tall. R is radial tire. 15 inch rim. H speed rating.
It is the maximum speed your tire is made for. It is indicated by the last letter on the tire designation. - eg, 215 65 R15 95 H - the H is speed rating.
Symbol Speed Speed (km/h) Speed (mph) A153A2106A3159A42012A52516A63019A84025B5031C6037D6540E7043F8050G9056J10062K11068L12075M13081N14087P15094Q160100R170106S180112T190118U200124H210130V240149W270168Y300186
The 99 is the load rating and the H is the speed rating. The higher the load number the more weight the tire can carry. The speed number H means it is rated to 130 mph.
A z rating on a tire is a speed rating, for most u.s. roads an h rated tire is fine, check with local tire dealer
A ''Z'' tire means that the top speed rating of the tire is not designated, and you must consult the manufacturer to obtain the rating. A ''W (ZR)'' tire's top speed rating is 270 km/h or 168MPH. A ''Y (ZR)'' tire's top speed rating is 300 km/h or 186 MPH. A ''ZR'' tire is rated at top speed of 300 km/h or 186 MPH, AND ABOVE. No, ''Z'' tires, and ''ZR'' tires are not the same.
That's a rating for how well the tire tread wears - the higher the rating the more miles you can put on the tire before it needs to be replaced