Quick Answer: How do motorcycle tire sizes work?

How are motorcycle wheel sizes measured?

How to Measure a Motorcycle Rim

  1. Remove the tire from the rim.
  2. Lay the rim on a flat surface.
  3. Measure the diameter of the rim. Do this by measuring the distance between the widest point of the rim. Measure from the bed where the tire will sit. Do not measure from the outermost portion of the rim.

What is the B in motorcycle tire size?

The letter R or B indicates the construction used to create the casing of the motorcycle tire. An R stands for radial construction and a B indicates the casing has a belted bias.

How wide is a 130 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

How does tire size affect motorcycle handling?

It’s always a balance of grip, handling, and wear. So, smaller, less powerful bikes can get away with smaller, narrower tires, while bigger, more powerful bikes require larger, wider tires so that they offer adequate traction and wear, but not so wide that it ruins the handling.

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What size tire will fit my motorcycle rim?

Motorcycle tire width

Permissible Rim Widths Metric Standard Inch
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
4.00, 4.50 160 6.25

How wide is a 200 motorcycle tire?

For example a 200/55R18 would be around 26.7 inches tall and 7.9 (200mm/25.4) inches wide.

Is it OK to mix tire brands on a motorcycle?

Okay, so for street bikes, a motorcycle tire manufacturers will say definitely do not mix and match. Some people might think this is a sales tactic, but here’s the thing, tires are developed in pairs, not individually. … If you mix and match brands, even if the tires are brand new, you still have the same issue.

Should motorcycle tires be the same size?

So bigger tires and more body weight over it equals more traction better power transfer. Since the front tires are pivot steering point they do not need to be as large and actually smaller tires steer better (up to a limit). … When both tires have similar ground contact the bike is quite stable even in severe leans.

How wide is a mt90b16 tire?


Size 130/90-16
Metric width [mm] 130mm
Speed rating H – 210 km/h
Load index 72 – 355 kg
Season: summer

How wide is a 60 tire?

255/60R15 tires have a diameter of 27.0″, a section width of 10.0″, and a wheel diameter of 15″. The circumference is 84.9″ and they have 746 revolutions per mile. Generally they are approved to be mounted on 7-9″ wide wheels.

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