The Zipp SL 70 Aero is a unidirectional carbon handlebar is packed with the innovations for best-in-class fit, ergonomics, and aerodynamic performance. With its wing-shaped bar top, the SL 70 Aero features Zipp s latest bar refinements while building on the trend-setting aero legacy of the Vuka Sprint. Aerodynamic design is perfect for fast road ridingUpdated distinctive Zipp cosmeticsUnidirectional Carbon built for stiffness, comfort and light weightInternal cable routing is easy with Rapid RouteComfortable shape with 70mm reach and 128mm dropThe wing-shaped top was designed using Computational Fluid Dynamics (CFD). The difference of that design is real, saving 6.4 watts over a round-tube section bar top. Beyond aero performance, the SL 70 Aero features a 70mm reach to allow proper fit without compromising stem length and steering control. The revised 10° ramp angle to the brake hoods eliminated need for up-rotated bars. The bar also provides ample wrist clearance for riding and sprin