PRICE : US $6,269 /UNIT. SPRINT FINISHES. SOLO ATTACKS. BREAKAWAYS . WIND TUNNEL RESULTS PROVE IT: THIS IS YOUR ULTIMATE AERO ADVANTAGE . Proven through third party wind tunnel tests to be more aerodynamic from every yaw angle tested when compared to other leading aero road bikes, Propel Advanced SL sets a new standard for speed. The Advanced SL-grade composite frame is engineered with AeroSystem Shaping Technology, which saves 12-36 seconds over a distance of 40km at a speed of 40kph compared to key aero bike competitors—with zero compromises in weight or stiffness. Technologies including the SpeedControl SLR brake system, integrated seatpost and internal cable routing and the result is clear: Propel Advanced SL is faster from every angle.