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TIRE INFORMATION

Tire Sizes

There are basically three different systems of tire description: Inch system (You are probably familiar with it as tire size readings like 5.00 - 16 or 4.50/S/18), the Alphanumeric System (for example: MT 90-16) and the Metric System (for example: 130/90 - 16). The last numbers are to describe the rim size. Before that number there is generally a dash or one of the letters S, H or V. This is key to speed range: (S) tires are up to 112 mph, (H) tires are admissible for speeds up to 130 mph, and (V) tires for 150 mph and up. Alphanumeric System and Series 80 are describing low-profile tires, which means the height is small than the width and the proportions to the width is fixed. Only in the Standard Inch-System can we find tires with equal width and height which is then a "square-profile".
Metric Alphanumeric Inch-System (Series 90) Inch-System (Series 82)
80/90 ---- 2.75 ----
90/90 MH 90 3.00/3.25 ----
100/90 MJ 90 3.25 3.60
110/90 ML 90 3.50 4.10
120/90 MN90/MP90/MR 90 4.00/4.25 4.25/82/4.40
130/90 MT 90 5.0 5.10
140/90 MU 90 ---- ----

Tire Charts

Size Rim Overall Width Overall Diameter
120/80V16 2.75 4.7 23.8
130/90H16 3.00 5.00 25.4
130/90V16 3.00 5.2 25.0
500S16 3.00 5.2 26.4
MT90H16 3.00 5.3 25.3
130/90H16 3.00 5.4 25.6
140/90H16 3.50 5.8 25.6
140/80VB16 3.50 5.9 24.8
140/90H16 3.50 6.0 25.8
150/80V16 3.50 6.2 25.4
160/80H16 4.00 6.4 26.1
160/80H16 4.00 6.8 26.1
200/60VB16 5.50 7.9 25.9
120/80V18 2.75 4.8 25.9
120/90V18 2.75 4.8 26.4
120/90H16 2.75 4.9 26.3
130/80V18 3.00 5.2 26.3
130/70VB18 3.50 5.4 25.4
150/70VB18 4.00 5.9 26.2
140/70V18 4.00 6.1 25.7
170/60VB18 4.50 6.9 26.0
180/55VB18 5.50 7.0 26.3
230/50 X 15 7.00 to 8.00 9.5 25.3
Note: Measurements are based on the given rim widths. A rough rule of thumb: Each additional 1/2-inch of rim width will be approximately 1/4-inch more in each tire width.

Motorcycle Street Tire Size 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 MN90 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 MP85 4.50/4.75
120/90 MR90 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
160/80 ---- 6.80/7.00
180/55 ---- 7.00/7.25
200/60 ---- 7.90/8.00
230/50 ---- 9.50

Tire comparison - 250 series to the left, 180 in the center, stock 130 to the right.We hope you have found this Motorcycle Tire Size chart to be helpful. We hope you will surf through the rest of our site. Enjoy!

 

 

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