The 8 Best Rubber Dumbbells
Updated by · How we research
Rubber hex pairs, single dumbbells, rack sets and light neoprene weights compared on grip, odor and cost per pound. The CAP Rubber Coated Hex leads. When users buy our independently chosen editorial recommendations, we may earn commissions to help fund the Wiki.
Under the rubber, nearly every hex dumbbell is the same cast-iron weight. The coating is there to protect floors, quiet a dropped set and slow rust, so what separates a good pair is the handle in your hand and how strongly the rubber smells. These picks suit home lifters building a collection, from light toning pairs to heavy weights on a rack.
Editor's Notes
November 1, 2026, by Ezvid Wiki Editors:
The CAP Rubber Coated Hex now leads this list. It pairs a decent chrome handle with a low price per pound, and CAP sells it in nearly every weight. The Rep Fitness Rubber Hex is the upgrade for anyone bothered by rubber smell, and it was the dumbbell most readers came here asking about.
The CAP Dumbbell Set with Rack and the WF Athletic Supply Hex stay from the old list. The CAP urethane pair, the Epic Fitness and Hoist sets, the Spri Deluxe and two light neoprene pairs are gone, either because they're no longer sold or because better-documented options replaced them. We also dropped a barbell combo kit that never fit the title.
The strongest evidence was a 16-dumbbell test that put every weight on a scale and found CAP's coated hex a little heavy and REP's a little light. We also read REP's stated tolerances and searched the CPSC recall database, where every dumbbell recall we found involved adjustable designs, not fixed rubber hexes.
Earlier notes
February 9, 2021, by Will Rhoda:
At the time of this writing – likely due to cabin-fever-ridden gym rats that’ve been denied access to their favorite weight room, thanks to local quarantines – there appears to be a widespread shortage going on with all things workout-related. As a result, we came up against quite a lot of availability issues during this round of updates. With no real way to determine which issues were short-term (companies running low on inventory due to a pandemic-sparked spike in business) and which issues were long-term (companies that have discontinued offerings or shut down altogether since we last visited this list), we decided to play it safe and remove all suspect selections, recognizing that many of our users will be shopping in this space well before any of these issues get resolved.
The options we removed were the Body Solid GDR363-RFWS, J/fit Double Neoprene Coated, Body-Solid Round, Rep Fitness Rubber Hex Set and BalanceFrom GoFit All-Purpose.
Then, with quite a lot of real estate suddenly made available on this list, we also went ahead and added a few new inclusions. Some of our additions this update include the Hoist Fitness Black — a 10-pair set that weighs an accumulative 550 pounds, but doesn’t come with a weight rack; the WF Athletic Supply Cast-Iron — a notably expensive option with pairs available from three pounds all the way up to 115 pounds; and the T&R Sports Home Gym — a compact and versatile solution that offers both dumbbell and barbell options.
August 15, 2019, by Brett Dvoretz:
As long as it is performed correctly, strength training is one of the best things you can do for your body. It builds muscle mass and bone density, helps burn calories, and provides a general sense of well-being. To help you get on your way to better health, we have comprised this list of the best rubber-coated dumbbells.
If you are just putting together your home gym, then you'll probably want to opt for a set that includes a variety of different weights and a stand to hold them. Those who have a lot of space for their equipment and are serious about their bodybuilding goals should consider the Body Solid GDR363-RFWS and Rep Fitness Rubber Hex Set. The former comes with dumbbell pairs starting at five pounds and topping out at fifty, and the latter comes in a few configurations, the most serious of which tops out with a pair of 100-pound dumbbells for the monster lifters out there.
If you have less space or aren't ready to lay out the kind of cash a large set requires, but still want to see some decent muscle growth, then you might want to look to the Cap Barbell SDRS-150R, which comes with five pairs of dumbbells, the heaviest of which has a weight of 25 pounds. This should be enough for most users to get started, and then you can simply buy a couple of heavier weight pairs to round out the collection as your strength increases.
Those who want some very low weight pairs to incorporate into aerobic exercise routines or to help rehab an injury can take a look at the J/fit Double Neoprene Coated. While it wouldn't be well-suited for the average man looking to see some increase in size, it is a good choice for women who are looking for a bit of toning, rather then a noticeable increase in muscle mass. Along with some exercise bands it should provide some good results in those areas.
All of the rest of the options on our list are available either as single dumbbells and/or in pairs. Of these, the Cap Barbell SDPU-035 are our favorite due to the variety of weights available, the practically unnoticeable rubber smell, and the slight padding on the handle to increase comfort. However, if you need something more than 50 pounds, then you'll have to skip that option and look to the Body-Solid Round or BalanceFrom GoFit All-Purpose instead.
Special Honors
Rogue Rubber Hex Rogue's rubber hex dumbbells earned the top score in OutdoorGearLab's dumbbell test, with a solid knurled handle and sets that run from light pairs to heavy singles. They're sold directly by Rogue, and the brand's range suits a home gym that may one day need commercial-weight pairs. roguefitness.com
REP Rubber Coated Hex REP also makes a rubber hex with a rubber-coated handle, which stays comfortable in a cold or damp garage where chrome gets slick. OutdoorGearLab rated it its best pick for garage gyms. It's sold through REP's own store rather than the main retail listing. repfitness.com
Rubber, Urethane Or Neoprene
It protects floors, softens a dropped set and keeps rust off the iron.
Every pick here is cast iron inside a coating, and the coating decides the smell, the noise and how long the finish looks new. Rubber is the default for home gyms. It protects floors, softens a dropped set and keeps rust off the iron. Cheap rubber is often recycled, and it can smell like a tire shop for days or weeks. Airing new weights out in a garage and wiping off the factory oil helps, and low-odor rubber, the kind REP Fitness uses, largely avoids the problem (Two Rep Cave).
Urethane, the coating on commercial gym sets, has almost no smell, wears well and is built to tighter weight tolerances, but it costs several times as much per pound (Two Rep Cave). Neoprene is a softer synthetic rubber used on light toning weights. It's grippy and colorful, but it isn't made for heavy pairs. For most people building a home set, plain rubber hex is the sensible middle.
Handles, Knurl And Weight Accuracy
Since the heads are so similar, the handle is where dumbbells part ways. Straight handles with knurling along their whole length, like REP's, give the same grip wherever your hand lands; REP uses a 28-millimeter handle up to 20 pounds and a 34-millimeter one above that, which is easier to hold on heavy rows (BarBend). Contoured handles, common on budget lines, bulge in the middle and can feel short in large hands. In an independent comparison of 16 dumbbells, short handles and aggressive knurling were the most common complaints, and one budget set had small metal burrs (OutdoorGearLab).
Accuracy is usually close enough for home training. REP states its weights are within 3 percent at 25 pounds and under and 2 percent above that. OutdoorGearLab weighed its samples and found a REP 10-pound dumbbell about three-quarters of a percent light and a CAP set roughly 2.5 percent heavy (OutdoorGearLab). That's fine for curls and presses. Strict competition training is where calibrated urethane or steel earns its price.
Pairs, Singles, Racks And Safe Storage
A set with a rack costs the least per pound. In OutdoorGearLab's numbers, the CAP rack set came in at less than half the cost per pound of a REP pair (OutdoorGearLab). The catch is that you pay for every step at once, including weights you may outgrow. Buying pairs or singles lets you start with two or three sizes and add more as you get stronger, and singles are handy for goblet squats and one-arm rows.
Fixed rubber dumbbells have no moving parts, which matters: the dumbbell recalls on the CPSC recalls page in recent years involve adjustable designs whose plates can come loose, or loadable handles whose collars slip, not fixed hex weights. Store dumbbells on a rack or the floor rather than up high, set a full tower on level ground, and keep fingers clear of tight rack arms. Wipe chrome handles dry after sweaty sessions to keep rust away, and lay a rubber mat under the area where weights get dropped.
How we researched this
We compared 16 rubber and neoprene dumbbells and sets, read the makers' specs and REP's published accuracy and warranty terms, used an independent comparison of 16 dumbbells that put each one on a scale, analyzed owner feedback, and checked every brand against the CPSC recall database.
Sources (9)
- OutdoorGearLab: The 10 Best Dumbbells
- OutdoorGearLab: CAP Coated Hex Set with Rack review
- OutdoorGearLab: REP Rubber Coated Hex review
- BarBend: REP Fitness Hex Dumbbells review
- Two Rep Cave: Urethane vs rubber dumbbells
- REP Fitness
- CAP Barbell
- Rogue Fitness
- U.S. Consumer Product Safety Commission: recalls
Frequently asked questions
Why do new rubber dumbbells smell, and does it go away?
Most of the smell comes from recycled rubber and factory oil. It usually fades after a few days to a few weeks in a ventilated space. Wiping them down speeds it up. Low-odor rubber and urethane barely smell at all.
Are rubber or urethane dumbbells better?
Urethane has almost no odor, holds up well and is built to tighter tolerances, but it costs several times as much. Rubber hex dumbbells are durable enough for nearly every home gym.
How accurate are rubber dumbbell weights?
Usually within a few percent. REP states 3 percent at 25 pounds and under and 2 percent above. An independent test measured one REP dumbbell slightly light and a CAP set about 2.5 percent heavy.
Why are most rubber dumbbells hex shaped?
Flat sides keep them from rolling away, let them sit steady for push-ups and renegade rows, and make them easy to line up on a floor or shelf.
Is a dumbbell set with a rack cheaper than buying pairs?
Per pound, yes. A full set with a rack usually costs much less per pound than buying the same pairs one at a time. Pairs make more sense if you only need a few sizes.
Do the recent dumbbell recalls affect fixed rubber dumbbells?
No recall we found involves fixed rubber hex dumbbells. Recent recalls, including one for Amazon Basics adjustable dumbbells, cover adjustable designs whose plates can come loose.
