Continental ContiSportAttack 4 Tires are designed with a BlackChili sport-compound to provide maximum grip with improved traction for easy handling on powerful superbikes. New profile with larger footprint at extreme angles. Rapid warm-up for confidence within the first miles. RainGrip technology for excellent handling under wet conditions. Suitable for track use, without tire warmers. Reinforced 190/50-17, Rear, Radial, (73W)