This is the Sonic Ergo 4525a aerobar. It is designed to help you cheat the wind by allowing you to get into an aerodynamic position. The simplistic clip-on design looks clean and is able to be added to most round bars.
Features:
Armrest Offset: -70mm to -2.5mm in 7.5mm steps
Armrest Width: 124mm to 290mm in 18.5mm steps (With Extensions at 100mm)
Armrest Stack: 60mm to 70mm in 5mm increments (With aftermarket Riser Kit)
Extension length and rotation can be easily adjusted using the top bolt
Specifications:
Weight: 559g
Material: Aluminum
Length: 400mmClamp: 31.8mm (26.0mm w/ Shims)
