Barzo XC UCI-licensed Edition is there to celebrate Vittoria's long-lasting partnership with the Union Cycliste Internationale (UCI). This unique version of the popular Barzo features the UCI logo and a stylish rainbow swoosh on the tire sidewalls. Fast, versatile, and reliable, the Barzo XC UCI-licensed Edition is engineered for pushing yourself and exploring your local trail system, regardless of terrain type and conditions. The Barzo thrives in wet, dry, and variable conditions, and it’s as ready for rocks and roots as it is for soft, loamy soil or hardpack.The alternating center knobs roll fast, and moto-style shoulder knobs bite hard while cornering. Siping throughout increases grip under lateral loads, helping to maintain speed across terrain of all types, and spacious knob placement cleans muck and loamy soil.