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Product info:
Milestar AP121 All Position
This versatile, medium-duty, all-season radial tire is designed to provide reliable service on commercial vehicles, like trucks and buses. It’s an affordable tire option for fleets.
Why Choose the Milestar AP121 All-Position?
Designed for commercial driving with heavy loads.
Built for medium-duty commercial trucks and buses.
Available in multiple sizes and load ratings to suit your vehicle’s needs
Key Features of the Milestar AP121 All-Position
Ready for the Long Haul
Versatile tire for use on front, drive, or trailer axles of commercial vehicles.
Designed for a variety of driving conditions, with an emphasis on highway performance.
Roll Through Spring, Summer, and Fall
All-season compound offers balanced wet and dry traction.
Deep sipes boost wet grip and help resist hydroplaning.
Keep Costs Under Control
All-season tread compound formulated for long service life.
Designed to help keep fleet management affordable.
Warranty & Protection Options
Backed by Milestar’s Standard Limited Warranty against defects in materials and workmanship.
Want complete peace of mind? Add our Certificates in your cart:
Free flat repairs
Free replacement if your tire can’t be safely repaired
Coverage down to 3/32”
Frequently Asked Questions
Is the Milestar AP121 All-Position good for fleets?
Yes. Because it’s a multi-position tire, it can help manage fleet costs and is easier and less expensive to replace.
What vehicles can use the Milestar AP121 All-Position?
Ideal for commercial trucks and buses, with multiple sizes and load ratings available.
What makes it better than other commercial tires?
The Milestar AP121 All-Position combines all-season tread, a wide range of sizes, and excellent value, all from a trusted name in commercial tires.
Ready to Experience Easier Fleet Management?
Get the Milestar AP121 All-Position, 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. | 11 - 295 |
| ASPECT RATIO Determines the sidewall height of the tire, based on the width. | 0 - 75 |
| RIM DIAMETER Measures the rim size from top to bottom (in inches). | 17.5" - 24.5" |
| OVERALL DIAMETER Measures the tire height from top to bottom when mounted on a wheel and inflated. | 31.5" - 43.3" |
| RIM WIDTH RANGE The approved range of rim widths this tire can be safely mounted on. | 6.0" - 9.0" |
| WEIGHT The weight of the tire measured in pounds (weight of tire only). | 60.0 LBS - 126.0 LBS |
| TREAD DEPTH Measured in /32 of an inch to determine the height of the tread block from top to bottom. | 17" - 18" |
| LOAD INDEX Determines the weight a tire can carry at maximum air pressure. See load Index chart. | 128 - 149 |
| LOAD RANGE Determines the ply rating of the tire. Should be replaced with the same or higher rating. | G - J1 |
| 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. | 110 PSI - 130 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. | L - Up to 75 mph - M - Up to 81 mph |
| SIDEWALL DESC. The sidewall designation to describe the lettering on the sidewall. | Black Side Wall |
| VPN Vendor Product Number | 21000009 - 21000019 |