With the Barzo G2. 0 XCR Tire from Vittoria, you can confidently tame technical cross country courses at speed. Using square profile knobs for durability and stability, the tire grips a variety of trail surfaces while keeping rolling resistance to a minimum. Its progressive sipe angles allow the tire to dig in even harder the further it's leaned over. It's simply a do-it-all tire that will have most of your trail condition bases covered as both a front and rear tire. Tread matters for sure, however, it's only one ingredient that makes up a tire. Underneath those knobs is Vittoria's all-new XC-Race TLR casing made from nylon with 120 threads per inch. This is its lightest weight casing dropping grams over the XC-Trail version by forgoing the additional sidewall protection but gains cool brown sidewalls. Holding the tire onto the rim is a Tubeless-Ready, folding Aramid bead. Vittoria owns the only extruder in the world that allows for 4 compounds in a single tread which it then fortifies with Graphene 2. 0. This allows Vittoria to fine-tune the flex of the tread-base and tread-surface separately, placing the correct durometer Graphene 2. 0 compound exactly where it is needed for maximum cornering, climbing, rolling, and braking performance. Additionally, durability and puncture protection is also improved, as the base compound resists punctures, and provides a more stable base for the tread.