Profile Design Sonic Ergo 39a Aerobars Shimano Dura-Ace DIMENSIONS: 140 mm

DIMENSIONS: 140 mm

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Profile Design Sonic Ergo 39a Aerobars Shimano Dura-Ace DIMENSIONS: 140 mmOVERVIEW 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