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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
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Description
Sonic Ergo 39a AerobarThe Sonic bracket offers an extensive fit range, low weight and easy adjustment along with minimal frontal area. Combining this with the Ergo armrest creates an aerobar that will aid most riders in optimizing their position for both speed and comfort. The 39A is one of the newest versions of our reliable aluminum extension range FEATURES: Performance: The Sonic Ergo is designed to present minimal frontal area to create as little aerodynamic drag as
The Sonic bracket offers an extensive fit range, low weight and easy adjustment along with minimal frontal area. Combining this with the Ergo armrest creates an aerobar that will aid most riders in optimizing their position for both speed and comfort.
The 39A is one of the newest versions of our reliable aluminum extension range
FEATURES:
- Performance: 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.
- 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.
-
Fit:
- Armrest Offset: -70mm to -17.5mm in 7.5mm steps
- Armrest Width: 124mm to 290mm in 18.5mm steps (With Extensions at 100mm)
- Armrest Stack: 60mm (no riser kit) to 130mm in 5mm increments (With aftermarket Riser Kit)
SPECS:
- Bracket: Sonic
- Clamp Diameter: 31.8mm or (26.0 with Shim Kit - Shim Kit is sold separately)
- 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Great Bar Cart for Price
Color: Brown(24.8"w)
This little bar cart is perfect for my space. It holds everything I enjoy using for cocktails and all accoutrements. It took a minute to put it together so make sure you read the instructions. Includes two lockable wheels and wire hanging racks for stemware and bottles.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Great product
Color: Black (17"w)
Love this cart-looks very classy
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Reviewed in the United States on February 27, 2026
★★★★★ 5
Great design for a kitchen sink organizer -- will not tip or accumulate water
We've had an Oxo kitchen sink organizer for years, and it's been fine, except 1) tall brushes (for example, Oxo brushes) make it tippy, stray elbows or imperfect placement of the brush would knock it into the sink and 2) it built up a soapy sludge in the bottom that that had to be drained and wiped down constantly. This item solves both issues perfectly.
Likes:
Size - I think it's about 5 inches deep, which is just right to fit the strip of countertop that runs behind the sink, up against the backsplash
Weight - The drying stone in the bottom gives the baskets some real heft, so there is no tipping it over by bumping a brush handle -- it really stays put
Drying stone -- The diatomaceous drying stone that slides into the bottom of the main basket is a great idea. These are porous stones that will absorb water and then allow it to evaporate fairly quickly. So far, it seems to be doing its job well. I'm sure the stone will need a wipe down now and then to stay clean, but no puddles of sludgy soapy water in the bottom is a big plus
Overall Design/Build quality -- The unit seems solid. It's a simple design, but there are no sharp edges or unfinished bits. Once in place it doesn't wobble a bit. I wasn't sure about the black powder-coated finish, but installed it looks clean and it's unobtrusive. I appreciate that the smaller basket for tall brushes sits on hooks and can be hung inside or outside the main basket. Ours sits inside, but there's plenty of room left over for sponges . And there's still room to stand up a bottle of liquid detergent or counter-top spray.
NOT SO LIKES
Nothing so far. I notice a lot of this style of sink organizer on Amazon, so presumably they're selling well. It's a great improvement over the older kinds.
Five big, clean, well-organized stars. Highly recommended.
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Reviewed in the United States on December 6, 2025
★★★★★ 5
Love it!
This fits on my counter perfectly! It’s built well and hold so much things!
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Works well
Works well
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Reviewed in the United States on March 8, 2026