My thoughts as well...:agree:slow_honda;15020 wrote: IMO the 190/55 is a better tire choice for the liter bikes. A few years back it wasn't really an option so the the 180/55 allowed for a quicker turn in. However it does give up a little to contact patch especially when compared to the 190/55. The 190/55 can be had in a lot of race tire configurations and even in the Corsa III a race/track oriented tire