The Marathon Efficiency tire is engineered for urban commuting and touring offering a balance of speed durability and comfort. It features Schwalbe's high-performance Addix E compound designed for low rolling resistance making it ideal for long rides on paved roads and bike paths.Sporty design and high versatilityHigh-quality technology that has been tried and tested by professional athletes in World Cup racesSchwalbe's fastest touring tire to date with the lowest rolling resistance increased battery range for e-bikes thanks to ADDIX Race Compound and Super Race casingVery good puncture protection thanks to V-Guard and three-layer carcass construction on the sidewall Flat Protection Tread and Sidewall TPI 67 Color Black, Black/Reflective Weight 450, 510, 625, 680 Designed for ebike Yes Defined Color Black ISO Width (mm) 35, 38, 45, 50 ISO Diameter 622 / Road / 29" Tire Intended Use Touring-Hybrid Tire Diameter 28", 700c Tire Bead Folding Labeled Size 28 x 2.00, 700 x 35, 700 x 38, 700 x 45 Tire Type Clincher PSI 65, 80 Protection V-Guard