Sonic/Ergo/52a Aerobar Bottom Bracket 9” x 2” / 99mm

9” x 2” / 99mm x 51mm

Wide straps and half-open back solution for secure

Prevents corrosion and water ingress so your bike’s components will last longer

Multifilament / Vectran

Extra strong axle

Sonic/Ergo/52a Aerobar Bottom Bracket 9” x 2” / 99mmThe 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 52A 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.