The Racing Ralph everything is designed for speed, and because of its race bred roots puncture protection is minimalSGRND - Super Ground, Snake Skin material running from bead to bead and three full carcass layers, the sweet spot between puncture protection and light weight in the Super lineupASPD â 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 tiresTubeless29x2.25622TBLS - FoldBk/Bsk5565567SGRND/ASPD/SSKNNoUPC/EAN/GTIN: 4026495879514