The schwalbe smart sam performance mtb tyre comes ebike ready certain faster ebikes require specialist tyres and the schwalbe smart sam performance mtb tyre is one of them valid throughout europe the schwalbe smart sam performance mtb tyre is ece r75 certified the schwalbe smart sam performance mtb tyre features raceguardreg technology to create an excellent puncture barrier for a fast and lightweight tyre raceguardreg achieves this by using 2 layers of crosswire nylon fabric 67 epi car