serfas.com
STX Inertia Road Folding Tire - Serfas
The Serfas® STX Inertia Folding Road Tire is constructed using our Alchemy Compound for lower rolling resistance and world class grip. Independent testing conducted at Wheel Energy® of Finland provided data showing Serfas® STX Inertia tires as performing 8.12% better on cornering than the best selling road bike tire on the market. Serfas® FPS Flat Protection Dual Density Tread Compound 120 TPI 3-Layer Casing Low Rolling Resistance Alchemy Compound w/ World Class Grip