continentale band contisport attack 4 190 50 zr 17 m c 73w tlMaximum Grip with Blackchili Performance, Accuracy and easy action for the most powerful Superbikes Blackchili Sport Compound: More Grip and Improved Traction Thanks To The Latest Compound Technologynew Profile Design: Larger Footprint at Extreme Cornation Angles Act Rapid Warm up for Confidence from the First Milometre Dear: Raingrip Technonology of the Continental Test Winnerstrack Days: Also suitable for Hobby Race Track Use (Without Tire Warms)