ECE-R75 is a certification given to tires that pass stringent safety regulations governed by the United Nations Economic Commission for Europe. Due to the increased load, torque and speed of ebikes, they are classified under the ECE as mopeds in Europe which are governed at 50 km/h and must pass more stringent guidelines than standard bicycle tires. Features: E-Bike High Mileage Compound w/Superior Grip Characteristics All Weather Tread Great for Commuting FPS Flat Protection System Reflective Sidewall Strip Specs: Bead: Wire TPI: 60 Size: 20 x 3.0 Pressure Range: 25-45 PSI Weight: 945g+/- Disclaimer: Tube Must Be Used Inside Of Tire ECE-R75 Certification