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Valve stem extenders for use with deep section wheels
Armrest Width: 112mm to 280mm in 18
Aeria Installation Instructions
Grey/Black
narrow positions
Sonic Ergo 39a Aerobar Aerobar Spare Parts Valve stem extenders for useDescription 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
