In competitions or races ultimately every gramm counts! Sapim CX-Ray is the exceptional light, aerodynamic and extremly robust top-spoke. Wheels with this flat, cold-forged, black spoke not only look exclusive, they can win races! The Sapim CX-Ray can be assembled with standard hubs despite the flat middle part. Color: silver Weight saving per wheel compared to a 2 mm spoke up to 80 gr. Without aluminium nipples!