What does TBR, PCR, OTR tyre means?

We always say TBR tyre, PCR tyre and OTR tyre etc. for insiders of tyre industry, but the newbies don’t understand what’s mean of TBR, PCR and OTR etc. In fact, TBR tyre, PCR tyre, OTR tyres etc. are the short name of different tyre segment and Mike will explain what’s the difference of TBR, PCR and OTR.

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