Tires might be a big part of the story for the Open Class this year.
Originally Posted by Soup
Bridgestone estimates the lap times of Open class motorcycles will be much quicker than the CRT machines last year. This means the tyres for the Open class will experience more severe operating conditions compared to the CRT tyres, resulting in overall higher tyre temperatures. To meet this demand, Bridgestone plans to offer more tyres in its heat-resistant construction for 2014, and will review data from the pre-season tests in order to confirm a supply plan for the upcoming season.