VITTORIA CORSA CX III TUBULAR 650c (26 inch) FULL BLACKTUBULARISOGRIP115-200 PSI320 TPI The Corsa CX is Vittoria's fastest tubular, pairing a traditional construction with innovative technology.The incredible Corespun 320 TPI casing delivers a light and supple ride quality, along with comfortable performance at high pressures. But where this updated model really stands out is its new IsoGrip rubber. This high-performance road compound is specially reserved for Vittoria's Corsa line -- they call it the Formula 1 of cycling. It's been meticulously designed to meet the demands of the pro peloton, blending reliable all-conditions traction with unmatched speed.For use with tubular rims only. Recommended pressure: 115-200 PSI. Actual weight: 229g (650c x 21mm). The weight will typically vary by 5% to 10%. Item will be shipped within a business day after payment is cleared.