Pirelli Scorpion XC H Tire - 29 x 2.2 Tubeless Folding Classic Tan ProWall SmartGripPirelli Scorpion XC H Tire 29 x 2. 2 Tubeless Folding Classic Tan. The Scorpion XC H is the best choice for XC and Marathon courses where speed is the key factor featuring a low profile and compact tread pattern for riding quickly and confidently over hardpack terrain. SmartGRIP Compound: Long lasting grip in both wet & dry conditions with increased resistance to tearing Multi ply 120tpi Nylon for lightness & rolling performance TLR tubeless ready