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Description
Sonic Ergo 52a 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 52A 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 52A 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.
- Fit Data: The 52a extensions have a 52° for the grip. The rider can choose whether to hold high for the shrugged position or low for a more open, head up position.
- 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: 52 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
- Bar Clamp: 6Nm (53 inlbf)
- Extension Clamp: 6Nm (53 inlbf)
- Armrest Bolts: 4.7Nm (42 inlbf)
- Bracket: 234g
- Armrest: 130g
- Extensions: 222g
- Total: 586g
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
4.8 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
... our traditional textbook and primary sources) and my students LOVE it. Although it's not perfect
Format: Hardcover
I have started using this in my US history survey class (along with our traditional textbook and primary sources) and my students LOVE it. Although it's not perfect, it's a great complement to other sources and offers a terrific way to talk about alternate ways to interpret history. In addition, my 11 and 14 year old sons have also read it and enjoyed it, so it's accessible for a broad range of ages. And, as my students note in their final papers, it's fun to read, and how often do gen ed students say that at the end of the semester?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2016
★★★★★ 5
Former lib. Book
Format: Hardcover
Book was as described
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2023
★★★★★ 5
Carry on with the great writing Rachel Lacey while I look for my next bodyguard book
Format: Kindle
I'm on a bodyguard reading kick right now, only wlw of course. I read this one for the first time about a year ago and somehow, I didn't leave a review. ( I'm good at hopping from one book to another and forgetting to write one. oopsy) I loved the bodyguard part but as stories go I always hate someone's parent dying. ( too much like real life) I know it's necessary to show why Natalie is so effed up. Rachel wrote a great ending to this story and that is always a plus in my eyes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
★★★★★ 4
cute and captivating
Format: Kindle
I really enjoyed the storyline and the emotional growth of the characters in this book. I’d been putting it off for a while but I’m glad I finally picked it up and took a chance on it because it was such a cute story.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 24, 2025
★★★★★ 5
Romance, Steam, and Angst!
Format: Kindle
When successful movie star Natalie Keane hires Taylor Vaughn to be her bodyguard and fake girlfriend, it doesn't take long for their pretend attraction to spark very real feelings, but with both women deeply scarred by the past, is a Hollywood-style happy ending possible?
Strictly speaking, Cover Story is a celebrity romance. Natalie Keane is a successful film actress whose career is at a high point thanks to a recent Golden Globe nomination. She has an entourage and even lives in a large house that boasts its own observatory with a telescope. But that being said, this is not the glitzy, glamourous, escapist story some readers might associate with the celebrity romance trope. While she may be a powerful star to the outside world, internally, Natalie is quiet, introspective, and perpetually haunted by a traumatic incident from her past. Her carefully insulated world is an extension of the emotional barriers she's built around her heart.
Enter Taylor Vaughn, the sexy, competent bodyguard Natalie hires to pose as her girlfriend while providing extra security. On the surface, she's the perfect heroine to rescue the reclusive Natalie, all while their attraction sizzles to the point of combusting. But Taylor has vulnerabilities and self-doubts too, and the closer she gets to Natalie, the more she risks pushing past her own physical and emotional limitations.
Cover Story has plenty of Hollywood excitement, including red carpet interviews and movie stunts. And there is no shortage of romance or heat between Natalie and Taylor, but what really gives the story impact is the poignant and authentic journeys of heart and mind that the characters take separately and together. The journeys are not straightforward, but ultimately, they highlight the power of healing, taking risks, and finding a person to feel safe with.
If you enjoy sapphic stories with romance, steam, but also a healthy dose of angst and authenticity, you'll be captivated by Cover Story.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2024
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