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TBR Tire Guide
Complete guide to Truck and Bus Radial tires for long-haul, regional, and urban fleet operations.
Complete guide to Truck and Bus Radial tires for long-haul, regional, and urban fleet operations.
Truck and Bus Radial (TBR) tires are heavy-duty radial tires designed for commercial vehicles including trucks, buses, coaches, and trailers. TBR tires are engineered to carry heavy loads over long distances while providing durability, fuel efficiency, and safety under demanding conditions.
Modern TBR tires use steel-belted radial construction with advanced rubber compounds that resist heat buildup, abrasion, and irregular wear. They are classified by application — steer axle, drive axle, and trailer axle — each with distinct tread patterns optimized for their specific role.
| Size | Application | Load Index | Typical Use |
|---|---|---|---|
| 315/80R22.5 | Steer / Drive | 154/150 | Heavy trucks, European spec |
| 295/80R22.5 | Steer / Drive | 152/148 | Regional trucks, buses |
| 12R22.5 | All Position | 152/148 | General freight, Asia spec |
| 385/65R22.5 | Trailer | 160 | Low-loader, mega trailers |
| 11R22.5 | All Position | 146/143 | Medium trucks, North America |
Ribbed patterns with continuous circumferential grooves for precise handling, even wear, and water evacuation. Essential for front-axle stability and driver confidence.
Deep lug patterns with open shoulders for maximum traction. Designed to transfer engine power to the road in all weather conditions.
Multi-rib designs optimized for free-rolling axles. Focus on low rolling resistance, even wear, and high mileage for maximum trailer tire life.
The 315/80R22.5 is wider (315mm vs 295mm section width) and typically has a higher load rating. It is preferred for heavy-duty European-spec trucks. The 295/80R22.5 offers slightly lower rolling resistance and is common in Asia-Pacific markets.
Steer tires typically last 100,000–150,000 km; drive tires 80,000–120,000 km; and trailer tires 150,000–200,000 km under normal long-haul conditions. Regional and urban operations see shorter lifespans due to higher scrub and braking.
Yes. High-quality radial TBR casings can be retreaded 2–3 times, extending total tire life and reducing cost per kilometer by 30–50%. Proper inflation and alignment are critical to preserving casing integrity.
We supply 315/80R22.5, 295/80R22.5, 12R22.5 and more — direct from Thailand at competitive FOB prices.
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