The all-conditions road training tire For the long miles of endurance cycling, early-season training, and road touring, durability and reliability are the best abilities. The Zaffiro Pro champions those qualities, forgoing flash for functional utility when it&&';;s time to put in work. It adapts WorldTour-proven racing technology for the daily abuse of chip seal, potholes, and inclement conditions. It&&';;s never met a road it couldn&&';;t tame. TECHNOLOGY EXPLAINEDWith Graphene-infused compound mated to an ultra-durable nylon casing, the Zaffiro Pro is the ultimate training tire for rough roads and rougher conditions. Protection that virtually ensures you&&';;ll get your miles in. 26 TPI Nylon Casing An ultra-durable sheath of long-lasting protection. This casing isn&&';;t as supple and buttery-smooth as 360-TPI cotton, but that&&';;s not it&&';;s job. Instead, it&&';;s engineered to resist the roughest roads in the most challenging conditions without puncturing.