Letter Rating; Speed Rating; Customer Information and Reporting Safety Defects- Page 487

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Customer Information and Reporting Safety Defects

Tire Information (U.S.A.)

16

“16” is the wheel rim diameter in inches.

90

“90” is the Load Index. This two-or three-digit number indicates how much weight each tire 

can support.

M

“M” is the speed rating. The speed rating denotes the maximum speed for which the use of 

the tire is rated.

Letter Rating

Speed Rating

M

81 mph

MX-5_8EU4-EA-15D_Edition3.indb   29

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