Profile Design Sonic Ergo 39A Aerobar SL a clever refinement of our

a clever refinement of our proprietary smart fabric using silver threads in the fiber

12-speed road/gravel)

- Protects against corrosion and prolongs the life of all components

We have been experimenting with this idea for the past few years and have finally developed the next level of comfort

Compatible with Ergo+ / Race + armrest kits

Profile Design Sonic Ergo 39A Aerobar SL a clever refinement of ourOverview The Sonic bracket offers an extensive fit range, low weight and easy adjustment along with minimal frontal area. Combining this with the Ergo armrest creates an aerobar that will aid most riders in optimizing their position for both speed and comfort. The 39A is one of the newest versions of our reliable aluminum extension range. Performance The Sonic Ergo is designed to present minimal frontal area to create as little aerodynamic drag as