<strong>CONQUER ICE. CONQUER SNOW. CONQUER YOUR WINTER COMMUTE.</strong><br /><br />Commuting to work or school on black ice just got faster and easier with the Xerxes. 140 studs provide unrivaled control on those morning rides where ice patches threaten your commute. When a layer of snow conceals black ice, the ultra-narrow profile easily slices through the fluff and gets straight to business providing extreme traction in these extreme conditions. Available in 120tpi and 33tpi versions.<br /><br /><br />FEATURES: Fits most bikes with side-pull or cantilever brakes<br />OPTIONS: 27tpi Studded<br />SIZE: 700c x 30mm (622/Road)<br />CASING: 27tpi<br />STUDS: Steel Carbide (33tpi)<br />BEAD: Wire (33tpi)<br />RIM COMPATIBILITY: 20-25mm wide rims<br /><br /><br /><br /><br />Steel Carbide Studs<br />Using the same two-piece construction method as the Concave Aluminum Carbide product, the steel-carbide stud features a dome-shaped carbide tip with a steel base, making it a more economical stud for 45North’s 27tpi tire collection, while still providing excellent performance and longevity.<br /><br /><br /><br /><br />Siping<br />Tiny grooves on large tread lugs create more edges for grip. These grooves also give the tire more flexibility to move over surface undulations, providing enhanced acceleration, braking and cornering traction while also creating a more comfortable ride quality. Siping has been used in the automobile industry for years to augment the performance of tires in winter driving conditions.