The LeVanto KRT serves as the model for all ROK Cup SA classes. The KRT is a product of careful research and development effort and is manufactured by LeCont. The LeVanto KRT tyres will be offered in the following sizes in the South African market and are an exclusive offering for ROK Cup Global, including ROK Cup SA: – 4.5/10.0-5 (MINI) – 7.1/11.0-5 (Senior) All ROK Cup SA-sponsored events will continue to use Bridgestone rain tyres.