MOTORCYCLE TIRE CONVERSION CHARTS

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September 28, 2016

MOTORCYCLE TIRE CONVERSION CHARTS

FRONT TIRES
METRIC ALPHA INCH
80/90 MH90 2.50/2.75
90/90 MJ90 2.75/3.00
100/90 MM90 3.25/3.50
110/90 MM90 3.75/4.00
120/80 4.25/4.50
120/90 MR90 4.25/4.50
130/90 MT90 5.00/5.10

 

REAR TIRES
METRIC ALPHA INCH
110/90 MN90 3.75/4.25
120/80 MP85 4.50/4.75
120/90 MP85 4.50/4.75
130/80 5.00/5.10
130/90 MT90 5.00/5.10
140/80 5.50/6.00
140/90 MU90 5.50/6.00
150/80 MV85 6.00/6.25
150/90 MV85 6.00/6.25

What do these terms mean?

Metric designation:
Example: 130/90-16 67 H

130 = Section width of the tire (130 mm)
90 = Aspect ratio (90%) (Section height divided by Section width as a percentage)
16 = Rim diameter (inches)
67 = Load rating (A numerical code which corresponds to the total laod carrying capacity at the speed indicated by the speed symbol)
H = Speed rating (see chart)
Alphabetical designation:
Example: MT90-16 LOAD RANGE B

M = Motorcycle code
T = Tire width code
90 = Aspect ratio (90%)
16 = Rim diameter (inches)
LOAD RANGE B = Load range
Inch designation:
Example: 5.00 H 16 4PR

5.00 = Section width (inches)
H = Speed rating
16 = Rim diameter
4PR = Casing strength (ply rating)