SUPER REINFORCED FOR MIXED TERRAIN Average spacing of the studs for an optimal balance between grip and rolling speed, maximized for dry or wet conditions on a variety of mixed surfaces, from hard ground to soft conditions. All of this is wrapped in the softer formulation of the SmartGRIP Gravity Compound. The best choice for trails where the terrain can vary and where grip is fundamentally essential. All with a high level of reliability for a longer lifespan. A true All-Rounder.