Rossi’s 16-Inch Rear

During testing for the Sepang MotoGP test, world champion Valentino Rossi has been spotted with a special 16-inch rear Michelin tyre, as opposed to the usual 16.5 inch tyre that can be found on his factory M1. “We worked very well with Michelin and with one or two new tyres that they brought we made some good improvements to the vibration (chatter),” Rossi told crash.