295 80 R22.5 KMAX S Goodyear Steer Tyres KMAX Technology The new KMAX S sees the introduction of the latest KMAX Technology. The KMAX S features IntelliMax Rib Technology. Special bridges in the grooves allow the tread to have stiffer cornering compared to its predecessor, like the ribs of the design support one another. By reducing the rib movement the IntelliMax Rib Technology ensures an optimised pressure distribution and footprint shape for regular wear and high mileage.