SandStone Boost

The Beach Racing Weapon & Ultimate Gravel Performer: Ultra-wide 37mm hookless carbon rims built for speed and extreme robustness. 52mm Aero profile cuts through wind and sand efficiently. Boost Hubs (15×110/12×148) engineered for modern MTB frames. Lightweight, stiff, and hand-built in the Netherlands. Backed by our Lifetime Warranty.