Izitya ze-TBR (Truck and bus radial tires) iyizitya ezintsha ezilungiselelwa ukuze bheke umsebenzi wokuthi omkhulu ngenqanawe yezimali okunamandla, futhi yinguquko ekugcineni. Ngaphandle kokuthi izitya zokungena zilungiselelwa ngokushesha, lezi zitya ze-TBR zilungiselelwa ukuthi bakvume inani lesikhathi sokuthi. Izitya ze-TBR zilungisa amathuluzi apha eyayiphiwa ukuthi asibuyele kuwo wonke amalayithi akwesikhashana esebenzisa ukusuka kwabo abasebenzisi abangaphambili babeyaziyo lokungaba ngaphandle kwezinye izinto ezinamandla.