| If you're seeking the world's fastest sew-up tire, look no further than the Corsa Speed G2. 0 Tire from Vittoria. It's a race-day specific tire designed for one thing, all out speed. Anytime you're chasing a PR, KOM, or a state title, you'd be doing yourself a favor by gluing up a set of these tires. It uses its proprietary thin, grippy, and durable Graphene G+ ISOtech compound sitting atop that legendary, ultralight 320TPI Corespun-T casing, resulting in a tire that has staggering low rolling resistance, incredible suppleness, and outstanding all-weather grip. Vittoria claims that the addition of Graphene results in a 40% reduction in rolling resistance over compounds without Graphene. It's … | Compare prices2→ |