The Schwalbe Marathon Tires incorporate light-reflecting sidewalls for better visibility and also utilizes a Silica compound for easy rolling and longer life. Marathon Silica compound for easy rolling and longer life. Reflex sidewalls incorporate light-reflecting bands. SmartGuard puncture protection to resist thorns, shards and even thumbtacks. Tire meets ECR R75 certification for e-bike use up to 50km/h. Item Specifications: Color: Black, Weight: 870, Tire Bead: Steel, ISO Diameter: 559 / 26" mtn, ISO Width: 47, Labeled Size: 26 x 1.75, Tire Type: Clincher, Tire Diameter: 26", Intended Use: Touring-Hybrid, Defined Color: Black, Flat Protection: Tread and Sidewall, PSI: 95, Weight (oz): 31, TPI: 67, Designed for ebike: Yes,