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
- Utilizes Our Alchemy Compound For Lower Rolling Resistance and World Class Grip
- FPS (Flat Protection System)
- Dual Density Tread
- Smooth Tread Pattern For Ultimate Performance
- 120 TPI 3 Layer Construction
- Bead: Folding
- TPI: 120
- Sizes Available: 700 x 25
- Pressure: 130 PSI