Continental 0196045 Steher 27 x 1 Black Tubular Track Tire with Transparent Skinwall is the classic for six-day races. If the wheels never come to a stop, you can rely on Continental. The professional mechanics in the smoky halls of the six-day events have placed their trust in the Sonderklasse for generations of cyclists. With its fabric of finely wound cotton yarn, it provides a comfortable ride, even at high inflation pressures. The Special Class tire comes equipped with Black Chili compound for a better grip on the road. Specs: Weight - 240 grams; Recommended PSI - 160; Maximum PSI - 170; PU - 10.