Sonic Ergo 39A Aerobars

The Sonic/Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position despite a fairly minimalist appearance the Sonic/Ergo offers a comprehensive fit range for exactly this purpose.

• Bracket: Sonic
• Clamp Diameter: 31.8mm (26.0 w/Shims)
• Armrest:  Ergo / 10mm Pads
• Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm)
• Armrest Offset: -70mm to -17.5mm in 7.5mm steps
• Armrest Stack: The minimum is 60mm and the bracket is compatible with our existing risers which add up to 130mm stack with (70mm of spacers added)
• Construction: 6061-T6 aluminum, pre-drilled for bar-end shifter cable routing
• Extension Length: 400mm
• Extension Angle: 39 Degrees
• Extension Rise: 87mm (bottom to top)
• Extension Offset: 15mm total
• Outer Diameter: 22.2mm
• Inner Diameter: 19.2mm
• Shifter Compatibility: Electronic or Mechanical
• Color: Anodized Matte Black
• Weight: 564g

TECH GUIDE

Torque settings (all bolts are M6)

• Bar Clamp: 6Nm (53 inlbf)
• Extension Clamp: 6Nm (53 inlbf)
• Armrest Bolts: 4.7Nm (42 inlbf)

Weight

• Bracket: 234g
• Armrest: 130g
• Extensions: 222g/pair
• Total: 586g