E-bikes put greater abuse and wear on tires because of heavy frames, battery packs, electric motors, electronics, and of course rider weight and any cargo. Utilizing the same smart inverted tread pattern found on our already popular Drifter series tire, the Serfas E-Drift is constructed using e-bike specific compounds designed to provide a high mileage long lasting tire with superior grip, durability, and improved handling characteristics. The E-Drift also features Serfas reliable FPS Flat Protection System and safety conscious reflective sidewalls. Features: E-Bike High Mileage Compound Formulation w/ Superior Grip Characteristics. Inverted Tread Design Reduces Rolling Resistance For Greater Speed and Handling. 68 Durometer Center Ridge For Long Life & 58 Durometer Sides For Enhanced Cornering Capability. FPS (Flat Protection System). Reflective Sidewall Strip. Specs: Bead: Wire. Size: 26×1.5. Pressure: 65 PSI.