Sonic/ERGO/39a Aerobar Comfort Max low sprocket: 46T (1x10-speed)

Max low sprocket: 46T (1x10-speed)

ۢ Not just for disc-brake-equipped bikes

SHIS terminology: removes EC29

Dial-adjust system allows desired torque setting to be preset

Sonic/ERGO/39a Aerobar Comfort Max low sprocket: 46T (1x10-speed)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 possible.