Continental eRuban Plus Tire - 27.5 x 2.30, Clincher, Wire, Black, PolyX Breaker, PureGrip, Plus Breaker, E50eRuban 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 Product Specifics Flat Protection: Tread TPI: 330 Color: Black Weight: 840 Designed for ebike: Yes