The A 510 is our first aerodynamically optimized aluminum rim. Do you want to optimize your racing bike's aerodynamics yourself? Then the A510 rim is the right choice for you. With its outstanding aerodynamics, it significantly reduces air resistance, allowing you to achieve and maintain a higher speed. The lightweight aluminum profile also provides stability during acceleration as you battle against air resistance. In short, the A 510 helps you get the maximum performance out of your racing bike.