The Speedster was designed for rolling speed and minimal drag on hard pack or paved terrain E-bike approved version features a 120 TPI and tubeless ready construction Bomb Proof models feature Aramid belting, Dual Control Compound for superior grip and a higher TPI casing for a durable responsiveness DCC - Dual Control Compound features two kinds of materials for speed and control, hardness of 56A in the center and a lower 48A on the sides *Please note that EBike rated tires also can be used with non-Ebikes and are generally more durable than standard tires Tubeless 700x40 622 TBLS - Fold Belted Bk/Blk 50 120 56a/48a EBIKE NoUPC/EAN/GTIN: 848712067481