For truck tyre industry insiders, we usually say “TBR,PCR,OTR,AGR“, what does these mean exactly ? Actually TBR,PCR,OTR,AGR are different meaning of tyres segements and they are short terms of truck tyres, passenger car tyres, off-the-road tyre, agricultural tyres accordingly. TBR, which is short for Truck & Bus Radial Tyres, are commonly used on different trucks,