The Racing Ralph everything is designed for speed, and because of its race bred roots puncture protection is minimalSRACE - Super Race, three carcass layers on the sidewalls and two carcass layers in the middle under the tread, reinforced with a thin Raceguard puncture protectorASPD - Addix Speed compound features improved rolling resistance while also increasing durability and and overall gripSnakeSkin - A light and flexible carcass makes the tire highly resistant to scrubbing*Please note that EBike rated tires also can be used with non-Ebikes and are generally more durable than standard tiresTubeless29x2.35622TBLS - FoldBk/Bsk5067SRACE/ASPD/SSKNNoUPC/EAN/GTIN: 4026495880312