profile-design-sonic-ergo-45ar-aero-bar-240mm-black
profile-design-sonic-ergo-45ar-aero-bar-240mm-black, Sonic Aero BarArmrest Offset: -70mm to -2.5mm in 7.5mm stepsArmrest 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