The CX-Ray acheives the best results in fatigue testing of any spoke. Its unique strength and flexibility make the CX-Ray suitable for a wide range of applications. The middle section of the spoke is drawn then pressed in a special mold to form its specific profile.CX-Ray spokes are used by top bike racers around the world - even downhillers use them, recognizing their strength and flexibility. Special alloy treatment and sophisticated production make this possible.The oval head profile prevents twisting during building and requires a specific hole profile in the hub shell. Refer to tolerances in the specs below. Recommended for ENVE Innerdrive Straight-Pull hubs.Almost as light as Titanium.More durable than any other spokes on the market.Special alloy treatment and sophisticated production.The best aerodynamic spoke available.Produced from high-tensile, fatigue-resistant 18/8 stainless steel, conforming to Sapim quality standard specifications.DIAMETER: 2.0 - (0.9 x 2.2) - 2.0mmSHAPE: BladedHEAD: Direct-Pull - OvalOVAL HEAD PROFILE: Widest diameter: 4.30mm | Narrow section (at flats): 3.80mmSTRENGTH IN MIDDLE SECTION: 1600 N/mm2COLOUR: BlackWEIGHT: 272 g(64 pcs x 260 mm)