CAP Barbell ADJUSTABELL Adjustable 55 lb Hex Dumbbell Weights – Singles & Pairs | Multiple Handle Options
$150.01






Price: $150.01
(as of Aug 10, 2025 08:00:34 UTC – Details)
Introducing the CAP 55 lb Single Adjustable Dumbbell with Full Rotation Black Handle that features the ADJUSTABELL weight adjustment system that is safe, quick, and easy to use! Simply turn the handle right or left to adjust the weight in 5 pound increments, pull up, and start your workout. Quickly and efficiently switch heavy weights for squats and lunges to lighter weights for curls and triceps extensions. No knobs to turn, pins to align, or levers to slide – just twist and go! The ADJUSTABELL weight adjustment system allows you to rapidly switch from one exercise to the next. The unique dial system combines 10 SETS of weights into ONE! The handles have a contoured, natural orientation for a comfortable, secure lifting position. Say goodbye to 10 sets of dumbbells and hello to the new ADJUSTABELL Dumbbell! US Patent 11,285,354
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 11,285,355
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 dumbbells
VERSATILE – The ADJUSTABELL weight adjustment system allows you to rapidly switch from one exercise to the next; Easily switch heavy weights for squats and lunges to lighter weights for curls and triceps extensions.
FUNCTIONAL – The unique dial system combines 10 SETS of weights into ONE; Handles have a chrome finished, contoured, natural orientation for a comfortable, secure lifting position. Honeycomb design prevents dumbbell from rolling away between sets
SPACE-EFFICIENT – Eliminate the need for multiple dumbbell sets and stop cluttering your home gym with dumbbells; Say goodbye to 5 sets of dumbbells and hello to the ADJUSTABELL dumbbell!
Customers say
Customers find these adjustable dumbbells durable and well-made, with easy weight adjustment that can be done with just a twist. The dumbbells are convenient to use, take up minimal space, and feature comfortable handles that don’t roll away. They receive positive feedback for their functionality and value for money. However, some customers report issues with scuff resistance, with one mentioning that the plastic pieces separating the disks broke on second use.
13 reviews for CAP Barbell ADJUSTABELL Adjustable 55 lb Hex Dumbbell Weights – Singles & Pairs | Multiple Handle Options
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$150.01

Tom –
Well made 10-55lbs adjustable dumbbells
*** 3 Month Update – Minor scuffs from use, they go back to looking like new with a quick wipe. Nothing has broken and am comfortable with the way the weights are held by the mechanism for both Dummbell Rows and Overhead Presses.I haven’t dropped them or put my body weight on them (Pushups/ManMakers). You want to slide the handle in from the side a bit for a smoother insert. Overall I’m changing my rating from 4 to 5 stars. I’m convinced these are the new standard to beat when it comes to this weight range and price.***Safety. The handles and components that allow it to work seem robust enough. It’s plastic but definitely not the cheap kind. I was concerned about reviews saying the 5-25 handles would drop plates. I have yet to experience anything like that with these 10-55 handles.Save money, check. A set of 10-55lbs fixed cast iron dumbbells will run you approximately $650 on fbm at $1/lbs.Change weights quickly between sets, check. It’s not a solid solid click, but it’s a solid click. Extremely satisfied with this.They’re just a bit finicky when aligning the handle back on the tray. Wether there’s some weight in the tray or not. I think I’ll dedicate two different areas for them. One for changing weight and the other for setting down between sets. This is where I think it’s lacking.Size is manageable. There will be some exercises where you will need to adapt to the length of the handles.Durability. Survived first, day so far so good. I’ll update if and when they fail me.*** 3 months of use and still going strong***
Ben Vieyra –
Holding up and very affordable
It’s been almost 1 month and they have lasted great so far. Even though the shell is plastic they feel durable and good quality. They are easy to use and you can change weight with just a twist.
Clint H –
Great dumbell, easy change and has small footprint
Cap Dumbbells are easy to adjust and very functional. Have a great range of weights and are well balanced. It’s small footprint is great and safer than having free weights on a rack my child could try to lift and drop. The value is really good when you consider the quality of the equipment and compare it to other name brands. The copper grip is a great accent and feels comfortable in your hand.
Francesc Vilarino –
Solid pair of adjustable dumbbells
A good solid set of adjustable dumbbells, very easy to adjust, and the mechanism makes a nice, solid click when adjusting the weight. They are a bit on the large side which can be a bit awkward for some exercises, but that’s the price to pay for an adjujstable set, so nothing to complain here.Overall a very good set of adjustable dumbbells that will last a long time. I have to drop 1 star however because one of the trays came with a crack – the tray is required to change weights, so it’s a bummer that it came defective.
Sean B. –
Well made and easy to use
Very convenient and a good price when on sale. Well made, although somewhat bulky⦠at 55 lbs, itâs hard to make more compact.
Eli Feldblum –
Amazing adjustable weights
Spectacular weights for the price. Very easy to switch weights. Feels great – even better than free weights!
Peter E Marks –
great set, great value !
Fantastic, works great, very convenient. I wish I had bought two sets !
Amazon Customer –
Broke within months
These dumbbells were good for about 5 months. The adjustability was good and they worked as expected. Now a piece broke off that keeps the weights on and the dumbbell is no longer usable. We have contacted the company multiple times over several weeks about replacement parts and have gotten no response. Very disappointed in the short lifespan of these and lack of response from the company, I cannot recommend this product.
NRod –
Great quality and value. Ideal for the casual / beginner weightlifters. Saves a ton of space and is made of good quality. Donât waste your money on the 5-25 pound dumbbells that youâll have to upgrade from in no time. Get these instead. 10-55 pounds each.
ERIK S OLSEN –
Great product for the pricePros-Price-Cooper handles are good-Quick weight adjustmentCons-Fairly large in diameter-Putting the weights back in the cradle is a bit finicky (not a big deal though)
Chris T –
Absolutely awesome. Love these, nice and easy to select the weight and come in & out of the trays cleanly. Wish i had ordered a stand with them ..I think these are worth the extra cost over the bowflex clones.
Xaintonge –
Good quality and value for the price. Can be a bit finicky to seat the dumbbells among the plates remaining in cradle if you rush or youâre depleted from set performed to failure â just slow down, and get on with it. No annoying rattle or clacking discernible while in use⦠at least not while *Iâm* using them. Iâd recommend affixing the cradles to a sturdy table, box or whatever else; or setting them on a non-slip rubber mat on the floor, otherwise, youâll be chasing them around while trying to slot the dumbbell. There are two screw-holes per cradle; use pan-head screws with washers.
arezoo –
These dumbbells are really great. You can quickly change the weight you want. They are very practical and good. If at some point the weight gets a little stuck and you can’t fix it properly in place or take it out of the container, just carefully roll the dumbbell and the container under it to one side until the dumbbell is free. But be sure to watch your hands and feet, be very careful. Overall, it is a really good, practical and smart product.