single tyre
Leaders further ahead at Qatar 2009.
Monday's season-opening Qatar night race was the first event of the single-tyre MotoGP era, with all 18 riders offered the same limited range of tyres for the first time.
Bridgestone: `Good start` to single tyre era.
Less than 24 hours after Casey Stoner took victory in the final race of the 2008 season, Bridgestone's preparations for the 2009 season got underway with a test at the Ricardo Tormo circuit in Valencia on Monday and Tuesday.
What is MotoGP?
The single tyre rule for 2009 has reignited the debate over what the MotoGP World Championship should stand for.