Pirelli SCORPION XC RC Classic Tan wall (29 x 2.4) Peak Performance for Demanding XC Racing SmartGRIP Compound ProWALL Technology Versatile Tread Design (2 Tires) Reel Pad 1 10 and 1 100 Scale Folding Rule Vacuum Power Tools 1 10 and 1 100 Scale Folding Rule is ideal to use in many different work environments With power to maintain speed even under load from man made obstacles to natural terrain and from hardpack to loose conditions Decades of victories in Motocross and Rally competitions around the world led our engineers to the development of a new innovative rubber formulation: the SmartGRIP Compound for the Scorpion™ MTB which blends together opposite features: Tear resistance for the maximum mechanical grip on dry and wet surfaces together with the maximum resistance against punctures