The Speedster was designed for rolling speed and minimal drag on hard pack or paved terrainCount on this tire for high performance during BMX racing, dirt jumps, and urban shreddingEndurance compound provides durable, reliable tractionOR - Vee`s OverRide technology offers 3 times the puncture protection over previous non-OverRide modelsEBIKE50 - has achieved a passing rating for use with E-Bikes up to 50kph and is ECE-R75 approvedStandard20x4.0406WireBk/Tan3026OR/EBIKE50NoUPC/EAN/GTIN: 848712082286