Sonic/ERGO/39a Aerobar Deore Shape design to improve air

Shape design to improve air flow onto the frame

Experience unshakeable stability thanks to a weight-optimized design

- Soft and subtle finish and moves nicely with the body

the new tooling combines an EVA midsole foam with GEL® technology cushioning in the forefoot to increase shock absorption

Constructed with LYCRA XTRA LIFE fiber for 5-10x more durability than ordinary spandex fabrics

Sonic/ERGO/39a Aerobar Deore Shape design to improve airThe 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 possible.