Kenda® Karrier Radial S-Trail ST145R12 Trailer Tire and Wheel - Load Range D

Kenda® builds the best quality trailer tire that money can buy! Get the ST145/80R12 Load Range D Karrier S-Trail Radial mounted on your choice of a 12" 4x4 Bolt Pattern steel MOD wheel.

When you buy a Kenda product, you can buy confidently, knowing you are installing equipment from an industry-leading authority in specialty trailer tires. Avoid the frustration of lower-tier trailer tires that succumb early to accelerated dry rot, construction failure, and premature tread wear.

This heavy-duty Load Range D (8-Ply) Load Star Karrier S-Trail KR25 features automotive-style tread and 8-ply steel-belted radial construction for a smooth, high-mileage highway ride. Rated for a dependable 1,220-lb maximum load at 65 psi (assembly rated to 1,250 lbs), this tire arrives pre-mounted and balanced on your choice of a 12x4JA zero-offset steel MOD wheel with a 4 on 4" bolt circle—ready for immediate bolt-on installation.

Available in three rugged wheel finish options—White, Black, and Galvanized—we make it simple to find the exact style and fitment your trailer needs at the best prices.

PLEASE NOTE: While most of our Kenda trailer wheels and tires ship out within 1 business day, please allow a 3-4 day lead time in the event we have new inventory in transit.

Karrier S-Trail Radial Assembly Features

• Steel-Belted Radial Construction: Top-quality steel belts paired with polyester and nylon cord plies ensure superior strength, structural stability, and puncture defense.
• Highway Heat Dissipation: Premium rubber compounding efficiently disperses thermal buildup under load, making it a reliable choice for long-distance highway towing.
• All-Weather Siping: Automotive-grade tread design incorporates precision sipes to channel away standing water, enhancing traction on wet roads and slick boat ramps.
• Special Trailer (ST) Designated: Specifically engineered to manage the unique sway and heavy tracking demands of trailers (not for motor vehicle use).
• Pre-Mounted & Ready to Roll: Arrives mounted on an 8-hole MOD steel wheel with a clean zero-offset profile and 4x4 bolt circle. Entire assembly meets or exceeds DOT specifications.
• 5-Year Manufacturer Warranty: Covered by the ➔ Kenda Specialty 5-Year Limited Warranty .

12" Wheel & Tire Specifications

➔ Unsure of what lug pattern your trailer hub uses? Click here for our measurement guide!

Kenda MOD 12x4JA Wheel Finish Options

• Standard White Powder Coat: MOD# 20140
• Gloss Black Powder Coat: MOD# 20155
• Hot-Dipped Galvanized: MOD# 20139