Featuring a special Multi Compound Tread Technology (MCTT) for improved traction at high service temperatures and optimal grip at extreme lean angles, The evolution of Sport Force+, engineered for high-capacity motorcycles delivering superior stability and control, Has a limited content of silica to ensure adequate wet grip performance, Designed for public roads, ready to be used on the race track, W-rated for speeds up to 168 mph, For track use it is recommended using tire warmers for at least 50 min @ 176°F and to follow the hot and cold pressure guidelines until you find the best pressure combination for your motorcycle, track conditions and riding style., Recommended for supersports, sports naked and sport touring motorcycles.