Profile Design 43 ASC Carbon Aerobar Extensions – Carbon 340mm Black. The 43 ASC Aerobar Extensions are intended to optimize the aerodynamics of your existing bars but pairs exceptionally well with either the Race+ or Ergo+ armrest. Giving you the ideal supportive position which again will help you be relaxed while riding and the key to speed is relaxation. The fit by the wrist area is designed to smooth airflow over the arm and to increase contact area which will provide some extra comfort and to give you more control over your bike. The design utilize carbon fibers natural ability to be shaped into an aerodynamic form while still providing a good amount of strength and rigidity hence ASC stands for Aero Shaped Carbon.

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