evo.com | Vittoria Tires > Fast-rolling alternating center knobs meet moto-style shoulder lugs, giving the Vittoria Barzo XC Trail Tire quick acceleration with real cornering bite when the trail gets loose. It's the go-to for XC racers and trail riders who want to hammer the climbs and still trust their tires in the corners. Anti-Puncture Belt Designed to provide extra puncture resistance, ensuring your ride stays smooth and uninterrupted. Bead Shield Additional layer on the bead provides extra protection. Sealant Compatibility Do not use sealants containing ammonia. Ammonia can damage the cotton casing, the nylon casing and the tubeless insert. Any damage caused by incompatible sealants is not covered under warranty. 4Compound Formulation Powered By Graphene Four optimized compounds strategically placed where they are needed for an unparalleled blend of speed, grip, and durability. Trail Casing A durable 60-TPI nylon casing built for exploration. It resists abrasion and punctures while maintaining your connection to the trail with a mid-tier suppleness. | Vittoria Barzo XC Trail Tire 29 2027 - 29x2.25 in Black | Nylon/Cotton