The Trailer King Ultra ST ST225/90R16 G/14PLY Tires is a Commercial Truck - Trailer tire. Manufacturer part number: TKAS22516.
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Trailer King is a specialized trailer tire brand developed by TBC Corporation, a prominent North American tire supplier established in 1956. Designed specifically for towable applications, Trailer King manufactures ST (Specialty Trailer) radial tires engineered to manage heavy load distribution, lateral sway, and high center-of-gravity demands. TBC Corporation maintains rigorous quality assurance across its global manufacturing network, ensuring every tire meets stringent U.S. Department of Transportation (DOT) and highway safety standards. Trusted by major trailer OEMs, Trailer King delivers certified reliability across utility, cargo, RV, and marine transport sectors.
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Specifications
Specs
Value
Description
Sidewall
Not Available
Describes the sidewall appearance. Examples: BSW= Black Side Wall, WSW = White Side Wall, OWL = Outlined White Letters.
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Load Index
129/125
The load index (LI) is a 2- or 3-digit number that correlates to the maximum amount of weight the tire can carry. For example, a tire with a load index of 87 indicates that the tire can carry a maximum load of 1,201 lbs. In this particularly example, 4 tires (each with a load index of 87) can carry a maximum of 4,804 lbs. Refer to your vehicle owner's manual for the recommended minimum load index.
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Speed Rating
L
Speed rating (SR) indicates the maximum speed the tire can achieve. Higher speed ratings are typically associated with better handling capabilities. Refer to your vehicle owner's manual for the recommended minimum speed rating.
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Load Range/Ply Rating
G/14PLY
Ply rating, more commonly referred to as load range, represents the strength and durability of the tire. Higher ratings may indicate your tires can handle heavier loads.
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UTQG
Not Available
To help consumers evaluate their tires, the U.S. National Highway Traffic Safety Administration (NHTSA) created the Uniform Tire Quality Grading System (UTQG). The UTQG rates tires are rated on their tread-wear, traction performance, and temperature resistance. The grade for each of these can be found on the sidewall of your tire (except for winter tires and certain light truck tires).
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Max Single Load(lbs)
Not Available
The maximum load this tire will support. Remember to multiply this number by the number of tires installed on your vehicle to get the maximum carrying capacity. This number is directly related to the Load Index.
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Max Single Air Pressure(PSI)
Not Available
The maximum air pressure this tire will support. This does not represent the amount of air pressure your tires should have at all times. Consult with your owner's manual to determine the best air pressure you should use for your vehicle.
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Tread Depth
13.0
The amount of tread on the tire. Once the tire is worn to 2/32nds, it is considered fully used and should be replaced at that time. Most tires will have tire indicators in the grooves of the tire to help you determine when the tires are worn down to 2/32nds.
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Tread Design
Nondirectional
The pattern of the grooves, lugs, voids, and sipes on a tire's surface. This design affects the tire's traction, handling, and noise characteristics. Common types include symmetrical (uniform pattern across the tire), asymmetrical (different patterns on the inside and outside for varied road conditions), and directional (designed to rotate in one direction for improved wet traction and hydroplaning resistance).
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Rim Width Range
Not Available
The approved wheel rim width range this tire will support.
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Measured Rim Width
Not Available
The recommended wheel width as recommended by the tire manufacturer to get the best wear us performance for this tire.
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Section Width
Not Available
The measurement from sidewall to sidewall.
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Tread Width
Not Available
The measurement from one side of the tread to the other side of the tread.
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Overall Diameter
Not Available
The height of the tire when fully inflated.
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Manufacturer Part Number
TKAS22516
Manufacturer part number (sku)
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Shipping & Payment
Shipping rates and estimated delivery times are available on tires after setting your delivery zip code. Tires ship via FedEx Ground and the shipment times are a very good estimate, although not an exact number of time-in-transit days. Tires are delivered Monday - Saturday. FedEx does not pick up orders on weekends or certain holidays. Once the tires are picked up, the time-in -transit estimate begins. If you place your order Friday afternoon, or on the weekend, your tires it will not ship until the following week. Currently we only offer FedEx Ground, expedited shipping is not available. Depending on when you place your order, there may be one, possibly two days of processing time. Shipping delivery times can be impacted by weather events across the country.
You can choose between 3 delivery options:
Your tires can be delivered directly to your billing address.
Your tires can be delivered to an alternate address. In this case, please specify the delivery address and the person authorized to receive the tires on your behalf.
The tires can be delivered directly to a Tire Installer of your choice. Please enter the address of the Tire Installer in the "Ship To" address and be sure to coordinate acceptance of your shipment from Tires-easy-truck.com.
You will receive an e-mail confirmation of the transaction when you place your order. Please save a printed copy of your order confirmation for your records.
We accept American Express, Visa, MasterCard, Discover, PayPal and Katapult for Tire Financing.
With a small down payment, and easy payments you can lease your tires. Payments are coordinated with your payday. Read more here about how Katapult works.
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®
Consumer reviews
Research based on customer reviews and buying behavior
Treadwear
The lifespan of a tire based on wear performance
Traction
The ability of a tire to grip to the road in wet conditions
