Profile design A3A Low Riser Spacers Kit headset

Dial in your perfect aero position with the Profile Design A3A Low Riser Spacers Kit. This essential spare part allows for precise, incremental adjustments to your aerobar stack height, optimizing comfort, power, and aerodynamics. Designed for seamless integration with Wing 20C+ and Wing Ultimate base bars within the A3 riser system, these low-profile spacers enable subtle downward or upward tweaks. Achieve maximum efficiency and reduce fatigue by fine-tuning your fit. Backwards compatible with A2 risers via an adapter (sold separately)