Tire makers take tread to new levels through advanced siping, improving traction and longevity. Modern tread designs are complicated affairs. Ribs, intervals between tread blocks, and hairline slits ...

When it comes to tires, it's all about maximizing the traction. Many dirt racers either grind or sipe (or both) their tires to find the extra grip. Those racers will tell you just how intense and time ...