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The short answer is yes, Average Joe Disc Fix Kits will work with most OEM & knockoff 552s and 1090s straight out-of-the-box. To better understand what that means, read on...

After 3+ years and a few thousand customer installations, it's safe to say my Disc Fix Kits work beautifully with about 95% of 552 & 1090 dumbbells straight out-of-the-box with no modifications. The remaining 5% can fit, but generally require some DIY tweaks.

Tweaking may involve sanding/filing/grinding/lubricating the discs and/or your OEM weight plates to provide more clearance or slip if necessary. The friction from as little as a fraction of a millimeter of material can mean the difference between smooth operation and a tighter-than-expected fit. The need to do extensive tweaks is very rare.

I discuss this topic in several of the videos on my Average Joe YouTube Channel. Factors such as the dumbbell's age, wear & tear, damage and the OE manufacturer's own production inconsistencies mean that no two dumbbells are perfectly identical. That means the overall fit can vary slightly from one dumbbell to the next.

If you want to try my Disc Fix Kit, odds are excellent that it’ll work with your dumbbells straight out of the box. If for some reason there’s a fit issue, you can choose to DIY tweak the discs and/or your weight plates (and I will provide guidance) or return the Disc Fix Kit for a refund minus the original shipping cost and tax. Currently, there’s no restocking fee, but you are responsible for the cost of shipping the kit back to me. For complete details, please read the Average Joe Guarantee & Warranty Policy.

With that in mind, if you’re interested in trying one or more of my kits, place an order and I’ll get the ball rolling for you.

Yes, most knockoffs are compatible. Please refer to the answer above.

Yes! My 3rd Gen cast aluminum discs can be purchased and installed individually.

It's easiest if I just show you the difference in this video 3rd Gen Average Joe Discs.

Beginning January 2023, a limited number of factory seconds kits will be available each month at a 25% discount. The number and type of kits available from month to month will vary, so I cannot guarantee availability.

Factory seconds kits may have dings, nicks, scratches, dents, pits, spots/stains, discoloration, surface oxidation, irregular knurls, or other cosmetic imperfections above and beyond what is considered typical for the kits. These cosmetic imperfections do not affect a kit's performance.

A handful of the following kits are currently available as factory seconds:

• 3rd Gen aluminum Disc Fix Kits for the 552 Series 1
• Cast aluminum Locking Pin Kits
• 30mm and 35mm stainless steel Grip Kits for the 552 Series 2
• Black teflon-coated Dial Kits and End Cap Kits for both the 552s and 1090
• Nickel-plated Dial End Cap Kits for the 1090 (discontinued, available while supplies last)

• 3rd Gen aluminum Disc Fix Kits for the 1090 and 552 Series 2
• 30, 35 and 40mm stainless steel Grip Kits for the 552 Series 1 and 1090

• 3rd Gen stainless steel Disc Fix Kits
• Individual 3rd Gen aluminum discs for all models
• U.S. made 6061 machined aluminum Locking Pin Kits

No. Never drop your stock or upgraded dumbbells from any height, or use them as pushup handles for bodyweight exercises such as a Devil's Press or Renegade Row. Always set them down on the floor or in their bases between sets. SelectTech dumbbells were never designed to be dropped. It's why Bowflex placed "do not drop" stickers on the handles. The vast majority of today's selectable weight dumbbells are not designed to survive repeated drops even onto padded flooring.

The force of impact from a drop, and the forces applied when using these dumbbells to support your body weight are far greater than the typical forces exerted during normal exercises such as curls, flys, presses, bent over rows, and overhead extension.

While my Disc Fix Kits & Locking Pin Kits are better equipped to resist damage during ordinary use, they are not indestructible. It's why my warranty does not cover damage due to impact from a drop or from using your dumbbells to support your body weight.

Additionally, even if my discs and pins survive the higher impact force of a drop, your dials, dumbbell shaft, and weight plate tabs may not. Individual weight plates alone are extremely costly to replace. Should you break a weight plate tab, I do have a "$1 Fix" DIY video up on my Average Joe YouTube channel that explains how to fix a broken tab with parts available from a local hardware store.

I would not recommend it. Please refer to the answer above.

Yes, all Average Joe Kits currently in production are backed by a 30-day Guarantee and 10 year Limited Warranty. I've put all of the details into a PDF that you can download.

Please note: kits that are no longer in production, such as my 1st and 2nd Generation Disc Fix Kits, are no longer under warranty. I will continue to unofficially support my 1st and 2nd Gen Disc Fix Kit customers so long as I have spare 1st and 2nd Gen discs on-hand. Shipping charges may apply. I currently have enough spare discs on hand to last quite some time due to the rarity of warranty claims.

Download the Average Joe Guarantee & Limited Warranty Policy. I reserve the right to make changes to my guarantee and warranty policy without notice. Any changes will apply to purhases made on or after the publication date of the revised policy.

Yes, as long as your country is not currently on any export restriction list and service is available from DHL, Fedex, UPS, or USPS. Average Joe Innovations now has customers all over the world, from Brazil, Columbia, Canada, England, France, Germany, Iceland, Ireland, Mexico, Netherlands, Portugal, and Spain, to Abu Dhabi, Australia, Bulgaria, Czechia, Dubai, Israel, Kuwait, Malaysia, New Zealand, Singapore, Vietnam and more.

When you fill out the order request form, I will respond with a Paypal invoice that includes the shipping cost based on your address. I will also let you know if there is a slower or faster service available, and at what cost.

FALSIFYING EXPORT DOCUMENTATION: Average Joe Innovations will not alter, adjust or falsify the value of goods on export documentation. 13 U.S. Code § 305 states "Any person who knowingly fails to file or knowingly submits false or misleading export information through the Shippers Export Declaration (SED) (or any successor document) or the Automated Export System (AES) shall be subject to a fine not to exceed $10,000 per violation or imprisonment for not more than 5 years, or both."

I'm aware that some business owners and individuals are willing to risk everything to make a sale. I'm not one of them. I respectfully ask that you not request changes to the value of goods on your documentation. Thank you for understanding.

Average Joe Innovations, LLC was formed in mid-2020. It began life in early 2018 as a personal project to fix some of my broken and unsafe dumbbells rather than throw them out. As luck would have it, a wave of unanticipated interest in my very first 2019 "dumbbell fix" video on YouTube led to a demand for dumbbell fixes and the formation of the company. These days the "we" of AJI is still primarily me, Average Joe, working in collaboration with manufacturers in the U.S., as well as abroad in China. And every once in a while I convince my adult kids to lend me a hand.

AJI is still just a one-man-band. I handle everything from research, development, part sourcing, testing and quality assurance to invoicing, packaging, shipping and pre-/post-sales customer support. All of this in addition to my "day job". So I squeeze in email replies whenever and however I can.

Generally speaking, I try my best to reply to customer inquiries and orders within 24 hours, but it is not uncommon for me to reply after 2-3+ days depending on the volume of inquiries and other tasks on my plate. I appreciate your patience and understanding while I grow AJI to the point of being able to hire other folks to help out.

If a couple days pass and you have not received a reply or invoice, please don't hesitate to follow up with me just in case I've not yet seen your original email for any reason.

No, not at this time. Bowflex®, SelectTech® and Nautilus® are trademarks and property of Nautilus, Inc. Powerblock® is a trademark and property of Powerblock, Inc. These OEMs have had zero involvement with the development, marketing and sales of AJI product upgrades. They aren't affiliated with AJI in any way, and my product fixes and upgrades are in no way endorsed by these companies.