A 510 Our first aerodynamically optimized aluminium rim. Would you like to optimize the aerodynamics of your road bike yourself? Then the A510 rim is the right choice for you. With its outstanding aerodynamics, it noticeably reduces air resistance so that you can reach and maintain a higher speed. The lightweight aluminum profile also ensures stability when accelerating while you fight against air resistance. In short, the A 510 helps you to get the maximum performance out of your road bike.