eRuban is an energy-saving allrounder e-bike tire that gets you to both Rural and Urban destinations. This tire is the partner for your daily commute, running errands and weekend tours, with added protection. Center tread keeps you rolling efficiently Outer knobs grab the ground when you need it in the corners Added protection for increased durability PolyX Breaker features an extremely resistant polyester fiber that's woven tightly crosswise. A high fabric density is achieved which makes the breaker resistant not only to foreign bodies, especially to punctures, without affecting rolling resistance Black Chili Compound features special synthetic rubbers combined with proven natural rubber to high-performance tread mixtures, to optimize rolling properties and grip Specifications Flat Protection Tread and Sidewall TPI 180 Color Black/Reflex Weight 631 Designed for ebike Yes Defined Color Black ISO Width (mm) 62 ISO Diameter 406 / 20" BMX Tire Intended Use Mountain Tire Diameter 20" Tire Bead Wire Labeled Size 20 x 2.40 Tire Type Clincher PSI 58