Sapim C-X Ray Black 2.0 Bladed Bicycle Wheel Spokes - Bag of 20 Used in 2007 by nine Pro Tour teams including Predictor-Lotto-Quik Step-InnergeticRabobankDiscovery Produced from high-tensile fatigue-resistant 18/8 stainless steel that conforms to the SAPIM quality Unbelievably high fatigue test results (3500000 wheel revolutions before failure) The spoke choice of Marcus Klausmann German DH champion Stronger than all spokes currently on the market