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Sonic Ergo 50a
In stock, ready to ship
Inventory on the way
Our new Sonic bracket has been designed as the successor to the J2, which has been a somewhat ignored part of our range. With this update it brings our new generation fit range to a wider range of price points, replacing the J2 bracket. The Ergo armrest has been created to offer both a huge upgrade in fit range as well as increased rider comfort with a supportive curve to cup the arms.
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.
Armrest Offset: -70mm to -2.5mm 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)
The extension length and rotation can be easily adjusted using the top bolt.
There are 100 distinct position options achievable just by moving the armrests. Combine that with the risers and this bar offers 1500 possible configurations. As a clip on bar it is also possible to adjust the extension width and tilt easily. This is the most adjustable clip on bar on the market (and in history).
It is worth noting that our previous top level clip on aerobar, the J4/F35, offered 90 possible configurations. This highlights the significant step forward we’ve made with our new generation aerobars in allowing riders to precisely adjust their position.
After we released the Supersonic (J5) as a premium bracket with market leading fit options and versatility we wanted to bring the same kind of options to the rest of our range of brackets and thus aerobars. By simplifying the extension clamp and shifting the wing forward to the bar centerline we were able to meet our targets. As a consequence of the simplification the Sonic is the lightest of our current brackets.
The Ergo armrest shares the flippable design of the rest of our new generation armrests. By swapping sides or rotating the armrests smaller increments of movement are achieved – making it simple to fine tune a riders position or match the position from their previous aerobar or bike.
Extension Shape: A 50a extensions offer a 50° ski bend shape.
The 50a offer a 7.5mm lateral shift per side. This allows the rider to get their hands narrower or wider without tilting the extensions so much that the shifters touch.
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 -2.5mm 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)
Your order will be shipping from Long Beach, California.
We offer quick order processing. Our goal is to have orders placed before noon Pacific Standard Time on business days (non-holiday Mondays through Fridays) leave that same day. Orders placed after noon (PST) on a business day, or on a weekend, will ship the following business day.
Please allow 1-2 business days for order processing and verification, and an additional 2-6 business days for delivery.
Profile Design ships most packages via FedEx and USPS, although we may change these at any time.
Some packages may require signature upon delivery. This is sometimes at the request of Profile Design and sometimes a Fedex decision, and it is always made in order to protect the consumer from theft.
We process and deliver orders Monday-Friday (excluding holidays). Saturday and/or Sunday deliveries may be available for some orders.
We use a variety of shipping carriers to make sure we deliver your order as soon as possible.
If you order multiple items, you may get multiple deliveries. We’ll send you a shipping confirmation email for each shipment, so you’ll know exactly what to expect and when to expect it.
Profile Design cannot ship to Postal Boxes (APO, FPO and P.O. Boxes).
We do not offer international shippingand are unable to ship to US territories, PO boxes, re-shippers, or package forwarding services.
We reserve the right to refuse any sale at any time.
Web Order Refunds and Exchanges:
Profile Design will accept returned items from the Profile Design web store for an exchange or refund if the following criteria are met:
New and unused merchandise may be returned with original packaging up to 30 days from the date of purchase for a refund. A credit will be issued to the original credit card for the item(s) amount, less shipping and handling.
If you need a copy of the return form, you can download it here.
Return authorization is not necessary, and we do not issue RA#s for consumer returns.
Non-Returnable items: Sale Items
How is a refund processed?
A refund is processed differently than a charge to your account and may take 3-5 days to be posted by your bank after it is processed by our team.
Refunds are processed to the original form of payment:
Credit Card refunds may only be credited to the original credit card. If the original credit card is not an option, a gift card will be provided
If you need a different item, color, or size, please place a new order and follow the directions for returning unwanted items for a refund which is outlined above.
Please ship your return with a carrier that provides tracking and insurance. We cannot be responsible for items that do not arrive at our facility.
We do not accept C.O.D. deliveries.
Please send all returns to:
Profile Design Attn: Online Returns 2677 E. El Presidio St. Long Beach, CA 90810
Returns enter our system within 48 hours of receipt and will be finalized within four business days after arrival. Email notification is sent upon the finalization of your return, not when your items are received at the facility. Please note that it will take most banks 3-6 business days for the credit to be reflected in your available balance after you receive your email notification.
For purchase made at an authorized Profile Design dealer:
Returns and exchanges will need to be coordinated through the original point of purchase.
Product must be returned to place of purchase for evaluation by dealer, dealer's return policy in effect.