Lapierre aircode sl 700 mc ultimate road bikeboasting pro race geometry advanced aerodynamics and a truly power hungry lateral stiffness the aircode sl is perfectly in balance its the finest blend of aero structural stiffness and low weight for racing and sprinting kamm tail tube profiles give all the benefits of a traditional wing section yet their squared off backs create virtual trailing edges that handle sidewinds better than a full wing theyre also immune to the vortex of dirty a