CAP Barbell 55 lb Adjustabell™ Dumbbell with Contoured Full-Rotation Handle – Your All-in-One Solution for Versatile Workouts Elevate your fitness game with the CAP Barbell 55 lb Adjustabell™ Dumbbell, featuring the innovative ADJUSTABELL™ weight adjustment system for a fast, safe, and smooth workout experience. Transition seamlessly between exercises—whether you’re swapping heavy weights for squats and lunges or switching to lighter ones for curls and triceps extensions. Designed for efficiency and comfort, this dumbbell helps you focus on your workout, not on cumbersome equipment. With a quick twist of the handle, adjust the weight in 5 lb increments without fumbling with knobs, pins, or levers. Say goodbye to clutter—this system replaces up to 10 dumbbells with a single one saving space and keeping your workout area organized. ADJUSTABLE – Simply rotate the handle left or right while positioned on the tray to adjust the weight from 10 to 55 pounds in 5 pound increments. No knobs to turn, pins to align, or levers to slide – just twist and go. US Patent 11,285,356 EFFICIENT – Quickly switch weights between exercises during circuit workouts & lower the downtime between exercises; Storage tray securely stores the adjustable dumbbell – no rolling, tripping over weights or long downtime; Tray included to safely store dumbbell Space-Efficient Solution Replace the need for multiple dumbbell sets—clear up your workout space and enjoy the convenience of the ADJUSTABELL™ dumbbells, designed to fit your home gym effortlessly.
Model Number:
SDBAIS-055G6
Product SKU:
2803885255
UPC:
702556120279
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CAP Barbell ADJUSTABELL dumbbells are viewed as a solid budget adjustable option, with the 55-pound model drawing comparisons to BowFlex SelectTech 552s and other higher-priced brands at a much lower cost. The set is praised for feeling secure, adjusting easily, and working well for a range of lifts, though the full-length handle stays the same even at lighter settings. The main concerns are the plastic weight-selection parts and some awkward re-racking or hand rotation on certain movements. It is a practical pick if you want adjustable weight without paying premium-brand prices.
Home lifters building a versatile adjustable set, because the dumbbells feel secure, adjust easily, and work well across exercises from flys to goblet squats.
People wanting a compact way to reach heavier training weights, because two of these can build pairs up to 80 pounds without buying a much pricier 80-pound set.
Lifters who want a perfectly balanced dumbbell in every movement, because the plate design can feel bottom-heavy and rotate in the hand during flys or floor work.
Shoppers who want a pair that feels as durable as top-tier brands, because the plastic internals can fail and the build is viewed as less robust than higher-end options.
Buyers who expect a premium-feeling mechanism for frequent use, because the weight-selection rings can break and leave the adjustment system inoperable.
It is a much cheaper alternative and can feel comparable in use to BowFlex SelectTech 552s. The CAP dumbbell is also reported to be a solid budget pick if you do not want to pay PowerBlock prices.
Yes, buying two lets you build a pair and work up to 80 lb total, which is still far cheaper than many higher-capacity adjustable pairs. Several shoppers frame that as the better value versus paying much more for an 80 lb adjustable set.
The dumbbell can feel slightly bottom-heavy and may rotate a bit during flys or other movements done on your back. That rotation has not been a major issue for some users, but the design can feel less balanced than fixed dumbbells.
Long-term owners report years of use with no major issues, including one set still going strong after 5+ years. A separate concern is that the weight-selection mechanism uses plastic rings that can break with frequent use and make the mechanism inoperable.
Yes, the dumbbell keeps its full length even on lighter settings. That can make some movements, like goblet squats, feel less compact and can make re-racking awkward on certain settings.
I bought these at 100$ each and do not regret it. I wouldn't drop them, but they seem secure. I figure 2$/lb is reasonable for adjustable weights of this size. There's YouTube reviews out there if you're on the fence, but they seem safe (even with something like a goblet squat), easy to adjust, re-racking can be awkward on some adjustments (not a huge deal). The only other downside I can think of is they keep the entire length, even on lighter settings.
Last edited by SmartVolcano7202 June 23, 2026 at 10:37 AM.
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These are the ones with the plastic internals that break all the time, right? Hard pass if so.
*edit: Yup, just checked. The weight selection mechanism has cheap plastic rings that if used frequently, break, and render the entire mechanism inoperable. Spend a little more on a better brand if you value longevity.
Last edited by Munkynutss June 24, 2026 at 12:44 PM.
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Top Comments
Would love it if it was a pair at this price, but that seems wildly unrealistic.
Community Reviews
CAP Barbell ADJUSTABELL dumbbells are viewed as a solid budget adjustable option, with the 55-pound model drawing comparisons to BowFlex SelectTech 552s and other higher-priced brands at a much lower cost. The set is praised for feeling secure, adjusting easily, and working well for a range of lifts, though the full-length handle stays the same even at lighter settings. The main concerns are the plastic weight-selection parts and some awkward re-racking or hand rotation on certain movements. It is a practical pick if you want adjustable weight without paying premium-brand prices.
The dumbbells can match the feel and performance of BowFlex SelectTech 552s while costing much less.
Long-term ownership reports the dumbbells can last for years and remain in great condition.
The adjustable dumbbells can feel secure during use and are easy to adjust between weight settings.
Buying two units can help build a larger total weight setup up to 80 lb.
The weight selection mechanism reportedly uses cheap plastic rings that can break with frequent use and disable the mechanism.
The cut-out plate design can create poor balance, causing the dumbbells to roll in-hand, especially at heavier weights.
The dumbbells can keep the full length even on lighter settings, which can feel awkward for exercises like goblet squats.
The sub-35 lb rubber dumbbell reportedly has a slightly larger circumference that takes getting used to.
Common Questions (5)
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31 Comments
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Would love it if it was a pair at this price, but that seems wildly unrealistic.
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https://www.walmart.com/ip/2803885255
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*edit: Yup, just checked. The weight selection mechanism has cheap plastic rings that if used frequently, break, and render the entire mechanism inoperable. Spend a little more on a better brand if you value longevity.
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