Are you riding technical XC? Le Barzo is the choice of the 2015 world champion and the winner of the BC Bike Race. How can such an aggressive XC tire roll so fast? The magic begins in the center tread, where a rib pattern alternates with progressive siping angles. The corners are tackled with V-shaped, motorcycle-like block knobs. The result is a tire that takes corners as quickly as it rolls, while still providing the protection of a full-depth profile. Rocks and roots? Yes. World Championship? Yes.