TBB (Truck and Bus Bias) tires are designed for trucks and that operate in tough, off-road, or short-distance conditions. They are durable and cut-resistant, featuring strong side, but offer a stiffer ride and shorter tread life. 

On the other hand, TBR (Truck and Bus Radial) tires are built for long-distance and highway use, suitable for modern fleets. They provide a smoother, fuel-efficient ride with longer-lasting performance, as well as better heat dissipation and.