Recommended Size -40-18 Motorcycle Tires
Best value
The lowest priced tire with an easy test score® of 'Great' or better
Best deal
The lowest priced premium brand tire
Top rated
The tire with the highest easy test score®
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Compare tires at a glance using our easy test score® system. Our proprietary algorithm factors in performance, expert insights, user reviews, and Uniform Tire Quality Grading (UTQG) scores.
Four criteria factor into easy test score®
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Consumer reviews
Research based on customer reviews and buying behavior
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Treadwear
The lifespan of a tire based on wear performance
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Traction
The ability of a tire to grip to the road in wet conditions
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Expert ratings
Input from veteran tire industry experts
Select your vehicle
Make
Model
Year
Style
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Confirm your tire size
Where do I find my tire size?
- Sidewall of your current tire
- Inside frame of your driver's door
- Your owner's manual
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Select your tire size
Width
Ratio
Diameter
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