The lightest in the range, offers Tour de France level comfort, efficiency, and speed with a redesigned silhouette that maintains the SLR racing bike seat shape Features cuttingedge technology, including a continuous carbon fiber skeleton and rails, for the best weighttostiffness ratio Precise comfort with the superlight EVA pad in key areas L3: “Wide” intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles) S3: “Narrow” intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles)