Designed for rocky, hard, and slightly loose surfaces. The Dubnital is suitable for dry to wet conditions. Master every challenge of modern Cross-Country and Down-Country with speed. It replaces the celebrated "Race King" and elevates performance to the next level. Trail: The lightweight and robust single-ply carcass construction is ideal for trail use. Rapid: If speed and acceleration on flat terrains and climbs are important to you, the Rapid compound is the perfect choice.