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Product info:
Hankook AH51, 385 /65 R22.5 160K L BSW AP
Why Choose the Hankook Smart Flex AH51?
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Designed for dependable, all-season performance on the steering drive axle of tractor trailers.
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Built for drivers who need durability, reliable traction, and long-lasting service.
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Offers up to a 60,000-mile limited treadwear warranty on qualifying sizes.
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Available in a range of commercial fitments to match your work vehicle needs
Key Features of the Hankook Smart Flex AH51
Commercial-Focused All-Season Performance
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An optimized tread pattern delivers stable handling and predictable braking.
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Solid center ribs help maintain steering precision, even under full load.
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Engineered for smooth performance and driver comfort mile after mile.
Reliable Traction Across Conditions
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Advanced all-season compounds improve grip in dry, wet, and light winter conditions.
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Deep, multi-directional sipes boost traction while enhancing wear resistance.
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Wide circumferential grooves help evacuate water to reduce the risk of hydroplaning.
Durable, Work-Ready Construction
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Heavy-duty tread design resists chips, cuts, and irregular wear.
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Reinforced internal structure supports load capacity and long tire life under demanding conditions.
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Balanced design helps maintain even wear patterns.
Warranty & Protection Options
Backed by Hankook’s Limited Treadwear Warranty:
- Up to 60,000 miles on qualifying sizes
Want complete peace of mind? Add our Certificates in your cart:
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Free flat repairs
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Free replacement if your tire can’t be safely repaired
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Coverage down to 3/32”
Frequently Asked Questions
Is the Hankook Smart Flex AH51 good for commercial driving?
Yes. It’s engineered for the demands of commercial driving, including delivery, service fleets, ride-along routes, and daily on-road tasks.
What vehicles can use the Hankook Smart Flex AH51?
This steering axle tire is available in a range of sizes to fit tractor trailers.
What makes it better than other commercial all-season tires?
The Hankook Smart Flex AH51 combines rugged durability, confident all-season traction, and long tread life—delivering reliable performance and value built for business.
Ready to Experience Workday Reliability?
Get the Hankook Smart Flex AH51, available online and in-store.
- Check fitment and shop now.
- Fast, friendly service from your local tire pros.
- Don’t forget to add Certificates during checkout!
UNIFORM TIRE QUALITY GRADE (UTQG)Uniform Tire Quality Grade
| SECTION WIDTH Measures the width of the tire from sidewall to sidewall, which is mounted on a wheel and inflated. | 385 |
| ASPECT RATIO Determines the sidewall height of the tire, based on the width. | 65 |
| RIM DIAMETER Measures the rim size from top to bottom (in inches). | 22.5" |
| OVERALL DIAMETER Measures the tire height from top to bottom when mounted on a wheel and inflated. | 42.2" |
| RIM WIDTH RANGE The approved range of rim widths this tire can be safely mounted on. | 12.2" - 12.2" |
| WEIGHT The weight of the tire measured in pounds (weight of tire only). | 157 LBS |
| TREAD DEPTH Measured in /32 of an inch to determine the height of the tread block from top to bottom. | 18/32" |
| LOAD INDEX Determines the weight a tire can carry at maximum air pressure. See load Index chart. | 160 |
| LOAD RANGE Determines the ply rating of the tire. Should be replaced with the same or higher rating. | L |
| MAX PSI The max psi is the highest pressure the tire can hold, but should be inflated to your vehicle specifications not exceeding this amount. | 131 PSI |
| SPEED RATING Designation from laboratory testing to determine the maximum speed the tire can travel. Maintain the same speed rating or higher for replacement. | Up to 68 mph |
| SIDEWALL DESC. The sidewall designation to describe the lettering on the sidewall. | Black Side Wall |
| VPN Vendor Product Number | 3003836 |
| GTIN Global Trade Item Number | 715459540501 |