Semi-smooth classic car inspired tread with a smooth fast rolling profileEBIKE50 - has achieved a passing rating for use with E-Bikes up to 50kph and is ECE-R75 approvedOR - Vee`s OverRide technology offers 3 times the puncture protection over previous non-OverRide modelsStandard20x4.0406WireBk/Blk20178026OR/EBIKE50NoUPC/EAN/GTIN: 848712083214