It turned out that the Grand Prix Commission, who make the rules, and not considered putting spoilers on a swing arm. So that’s exactly what Ducati did, adding a spoiler to the bottom of the swing arm and covers over the front wheel, ostensibly to help cool the rear tyre – tyre temperature is a key factor in tyre wear, an area which Ducati have invested heavily in during the Michelin era. That it also added a small amount of downforce on the rear wheel, helping to improve braking by keeping it in contact with the ground, was merely a useful side effect. So useful that by the end of the year, all six MotoGP™ manufacturers were either running them in races, or testing them for the future.

Source: MotoGP.com – Read Full Article Here