STX Inertia Road Folding Tire
The Serfas® STX Inertia Folding Road Tire features a smooth tread constructed using our high performance Alchemy Compound for lower rolling resistance and world class grip.
Comprehensive testing at Wheel Energy® of Finland, an independent tire laboratory, found Serfas® Inertia tires to perform 8.12% better at cornering than our competitor’s most comparable best selling road bike tire.
- Serfas® FPS Flat Protection
- Dual Density Tread Compound
- 120 TPI 3-Layer Casing
- Low Rolling Resistance Alchemy Compound w/ World Class Grip
30 Day Warranty
Serfas® Tires are covered by our 30 Day Warranty which guarantees a product free of defects in material and/or workmanship up to 30 days after purchase. This warranty does not apply to damage due to heat, environmental factors, misuse, or negligence. *Tire purchase must be from authorized Serfas® retailer for eligibility.
- Alchemy Compound For Low Rolling Resistance and World Class Grip
- FPS Flat Protection System
- Dual Density Tread
- Smooth Tread Pattern For Ultimate Performance
- 120 TPI 3 Layer Construction Provides Supple Ride
- Bead: Folding
- TPI: 120
- 700 x 23
- 700 x 25
- 700 x 28
- Pressure: 130 PSI
- (23) 222g
- (25) 242g
- (28) 312g
700×23 Folding, 700×25 Folding, 700×28 Folding