Quick Answer: How do you read a dirt bike tire?

What does 74 h mean on a motorcycle tire?

For example, a tire with the sizing MT90B16 74H has a load index of 74 and a speed rating of H (130 mph). Note: Newer tires that have a width of 150+mm will only use metric sizing. When the alphanumeric system was created, motorcycle tires didn’t get much bigger than an MV85 (150mm).

What does Zr mean on motorcycle tires?

Tire Speed Rating Chart

For tires with a maximum speed capability higher than 240 km/h (149 mph), a “ZR” may appear in the size designation. Tires with a maximum speed capability higher than 300 km/h (186 mph), require a “ZR” in the size designation.

How wide is a 140 motorcycle tire?

Tire Width Cross Reference Table

Permissible Rim Widths Metric Standard Inch
2.15, 2.50, 2.75 120 4.75
2.50, 2.75, 3.00 130 5.00
2.75, 3.00, 3.50 140 5.50
3.50, 4.00 150 6.00
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