SKU: 49897189540

Profile Design - Sonic Ergo 50a

Sale price$125.04 Regular price$138.93
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Description

Profile Design - Sonic Ergo 50aPROFILE DESIGN SONIC ERGO 50A REPLACES THE T1+ 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 and, despite a fairly minimalist appearance, the Sonic Ergo offers a comprehensive fit range for exactly this purpose. Fit Data: Armrest Offset: 70mm to 2. 5mm in 7. 5mm steps Armrest Width: 124mm to 290mm in 18.

PROFILE DESIGN - SONIC ERGO 50A 

REPLACES THE T1+ 

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 and, despite a fairly minimalist appearance, the Sonic/Ergo offers a comprehensive fit range for exactly this purpose.

Fit Data: 
Armrest Offset: -70mm to -2.5mm in 7.5mm steps
Armrest Width: 124mm to 290mm in 18.5mm steps
Armrest Stack: 60mm to 70mm in 5mm increments

Since the Supersonic (J5) was released as a premium bracket with market-leading fit options and versatility, Profile Design wanted to bring similar options to the rest of their range of brackets and aerobars. By simplifying the extension clamp and shifting the wing forward to the bar centreline, they were able to meet their targets. As a consequence of the simplification, the Sonic is the lightest of their current brackets.

The Ergo armrest shares the flippable design of the rest of their new generation armrests. By swapping sides or rotating the armrests, smaller increments of movement are achieved – making it simple to fine tune a rider's position or match the position from their previous aerobar or bike.

Extensions 

The 50a extensions offer a 50deg ski bend shape. They also have a 7.5mm lateral shift per side (15mm total) to allow fine tuning of the grip width. They are 400mm and cables exit from the end of the extension. 

  • Bracket: Sonic 
  • Armrest: Ergo / 10mm Pads 
  • Width: 124mm to 290mm in 18.5mm steps (with Extensions at 100mm) 
  • Offset: -70mm to -2.5mm in 7.5mm steps 
  • Stack: The minimum is 60mm and the bracket is compatible with Profile Design's existing risers which add up to 70mm of stack in 5mm increments. 
  • Weight: 559 grams
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 49897189540

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Mark H.
Phoenix, US
★★★★★ 5
Great addition to me living room End tables
Size: 10FT, Color: Black-20W
Bought some new furniture and a pair of these got out a jig saw. Cut and installed them. Works and looks great
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Reviewed in the United States on January 27, 2026
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Kindle Customer
Fort Morgan, US
★★★★★ 4
worth it for a woodworker
Size: 6FT, Color: Black-20W
It is a nice solid deal. you just rout out a hole large enough for it to set in. It mounts with two screws. I don't have a negative. I'll be getting more for my woodworking. Thank you.
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Reviewed in the United States on December 20, 2025
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James N.
Los Angeles, US
★★★★★ 5
Great product
Size: 6FT, Color: Black-20W
Added two of these behind the couch in a wood ledge between the couch and the wall. A template will make marking the cutout easier. You will need to make one as it does not come with the product.
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Reviewed in the United States on May 2, 2026
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Samuel Ocampo
Fort Morgan, US
★★★★★ 5
Excellent Product, thanks!
Size: 10FT, Color: Black-20W
Excellent Product, thanks!
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Reviewed in the United States on May 3, 2026
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Thomas Murray
Carnegie, US
★★★★★ 5
Great
Size: 6FT, Color: Black-20W
I used these in custom built nightstands, and customers loved them.
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Reviewed in the United States on May 4, 2026

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