Pirelli Scorpion™ Enduro M Mountain Tire 29"x2.60 Folding Tubeless Ready SmartGRIP Gravity ProWALL 60TPI BlackPirelli Scorpion Enduro M Tire 29 x 2. 6 Tubeless Folding Black ProWall SmartGrip Gravity. The Scorpion Enduro M is the best choice for riding where terrain can vary but speed and reliability are the key factors. A medium profile tread pattern is ideal for riding quickly and confidently over a variety of terrains. SmartGRIP Compound: Long lasting grip in both wet & dry conditions with increased resistance to tearing Multi ply 60tpi Nylon for improved