Challenge

* Handmade construction 350tpi Corespun cotton casing* SMARTPRIME Compound enhanced speed, grip, reduced rolling resistance and increased tire dura...

* Handmade construction provides the ultimate in traction and ride quality* CORAZZA ARMOR: Gravel specific casing utilizing double layer 260TPI Sup...

* Fast rolling center for straight line* Xtra Protection (XP) for endurance rides on rough terrains* Reinforced Casing with CORAZZA ARMOR gold​​

* Make your mark on the gravel scene with the Gravel Grinder * This tire combines a fast rolling diamond center with aggressive shoulder knobs that...

* Make your mark on the gravel scene with the Gravel Grinder * This tire combines a fast rolling diamond center with aggressive shoulder knobs that...

The best all-around cyclocross tire ever created excels in wet or dry, soft packed, rocky and root-infested courses, grass, and more. The Grifo fea...

Limus means mud in Latin, which is exactly where this tire dominates. Deep, aggressive, and well-spaced knobs cut through muddy conditions so you c...

* Challenge produces the only seamless 'one-piece' latex inner tubes on the market providing a smooth, balanced ride with no pucker or bump like th...

* The Strada Bianca takes the proven construction of the Paris-Roubaix and adds volume to take you comfortably over less-than-perfect surfaces* Thi...

* The Strada is Challenge's go to tire for long days on the road * This all-condition tire combines a round profile that takes the sting out of rou...

* Takes the sting out of rough pavement with a construction that provides maximum control and low rolling resistance. * Combines TLR's properties w...

* The Strada is Challenge's go to tire for long days on the road. * All-condition tire combines a round profile that takes the sting out of rough p...