The Sonic bracket delivers an extensive fit range with minimal weight, allowing easy adjustment and a streamlined frontal profile.
Paired with the Ergo armrest, this aerobar helps riders optimise their position for both speed and comfort on the bike. The 52A represents one of the latest iterations in our proven aluminium extension lineup, engineered for reliable performance across varied riding conditions.
Features
- 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.
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The 39a extensions have a 39° for the grip . The rider can choose whether to hold high for the shrugged position or low for a more open, head up position.
- Extension length and rotation can be easily adjusted using the top bolt.
- Improved shape to integrate with stem steerer tube clamp
- The extension length and rotation can be easily adjusted using the top bolt.
Specification
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Bracket: Sonic
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Clamp Diameter: 31.8mm or (26.0 with Shim Kit - Shim Kit is sold separately)
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Armrest: Ergo / 10mm Pads
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Armrest Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm)
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Armrest Offset: -70mm to -17.5mm in 7.5mm steps
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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)
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Construction: 6061-T6 aluminum, pre-drilled for bar-end shifter cable routing
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Extension Length: 400mm
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Extension Angle: 52 Degrees
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Extension Rise: 87mm (bottom to top)
- Extension Offset: 15mm total
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Outer Diameter: 22.2mm
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Inner Diameter: 19.2mm
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Shifter Compatibility: Electronic or Mechanical
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Colour: Anodized Matte Black
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Weight: 564g
Contents
- 1 x Profile Design Sonic Ergo 52a Aerobar
