Featured in the June 2022 issue of Roadracing World:
At the pointed end of our ECU/IMU-moderated 200-horsepower motors and computer-modeled chassis, we have the humble pneumatic tire.
Although modern tires are clearly recognizable to engineers of the last century as, well, tires, the dark art of chemistry and catalysts has allowed modern tire designers to create a range of multi-dynamic carcass tires. compounds in pursuit of the same goal: Bond well while lasting as long as possible.
On the race track, that useful life is measured in minutes, while on the road, we want tires whose life can be measured in thousands of kilometers (or miles). Of course, bike designers make life hard on tires by stacking power and shrinking motors so riders can lean more and deliver ever-increasing amounts of torque to the rear contact patch. In each system there are different parameters that usually work in opposition. each other…
“Pirelli Diablo Rosso IV Corsa Intro”, by Sam Fleming
Pirelli set out to build an improved version of the company’s already excellent hypersport tyre, a tire that has durability for the highway, race tire grip for cornering and, best of all, would allow us to take a bike straight from a mountain road to a circuit without changing tires. That tire is the Pirelli Diablo Rosso IV Corsa (DR4C), and Sam Fleming’s impressions of hitting Italian roads and the Mugello track are in the latest issue of Road racing world!
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