Looking the best deals Adjustable dumbbells? Here is the best sale ever with higher discounted prices, there will be coverage of all sales events e.g. Black Friday, Cyber Monday, and Christmas deals. Buy from Amazon
Contents
Best Adjustable dumbbells price 2020 – Black Friday & Cyber Monday Deals Updated.
Our expert brings most updated The Adjustable dumbbells is one of our most affordable and most user-friendly Adjustable dumbbells to date. It boasts a high quality and compact design, smartly works.
Five Star Rating Reviews on selected The Adjustable dumbbells
The selected Adjustable dumbbells is the largest selling product in on Amazon store and most of having almost five-star reviews from the customers which shows customer confidence in the product.
Adjustable dumbbells Best deals
Adjustable dumbbells sale best sellers
Bestseller No. 1
Bowflex SelectTech 552 Version 2 | Two Adjustable Medium Dumbbells | Black, Red & Grey
- Each dumbbell adjusts from 5 to 52.5 pounds; adjusts in 2.5-pound increments up to the first 25 pounds
- Lets you rapidly switch from one exercise to the next
- Combines 15 sets of weights into one, using a unique dial system
- Eliminates the need for multiple dumbbells cluttering your workout space
- Two year warranty on weight plates and parts
Bestseller No. 2
ATIVAFIT Adjustable Dumbbell Fitness Dial Dumbbell with Handle and Weight Plate for Home Gym Set (2...
- Adjustable Weight - Ativafit DialTech Dumbbell adjusts from 11 lbs to 71.5 lbs in 5.5 lbs increments
- Space Saving - All-in-One designCombines 17 sets of weights into one on the gratis plastic-tray
- Full Body Exercise - With Ativafit adjustable dumbbell you can exercise every area of your body like shrugs, lunges, curls and raises
- Quick Switch Weight - You can rapidly switch the weight you want in 3 seconds
- Attention: If you found there are some scratch on the handle bar, it is normal, the scratched off intentionally during manufacturing, to ensure a tight and strict match between the handle and plates for long term usage.
Bestseller No. 3
Yes4All Adjustable Dumbbells - 100 lb Dumbbell Weights with Dumbbell Connector
- OPTIMAL FITNESS EQUIPMENT COMBO: Package includes TWO 16x1. 15-in handles, FOUR collars, FOUR 2. 5-lb plates, SIXTEEN 5-lb plates, and ONE Yes4All Dumbbell Connector to connect two dumbbells into one barbell for varied workout routine
- CAST IRON ADJUSTABLE DUMBBELL SET: Comes with cast iron weight plates with black paint finish for maximum durability. Chrome handles are knurled for a secure, firm and non-slip grip. Star-lock collars with customized screws for easy weight changes
- CHROMED STEEL DUMBBELL CONNECTOR: Easily turn two dumbbells into one barbell with the high-quality steel connector. Knurled handles with special locks for better grip and increased safety during exercises. Compatible with 1. 15-inch spin-lock dumbbells
- EXTENDED STRENGTH TRAINING: Our adjustable dumbbells with dumbbell connector offer great versatility and interchangeability as you now can quickly tweak your training levels or switch between working out with dumbbells or a barbell with ease
- EASY USE & STORE: Take seconds to assemble and take out. Compact, convenient, and easy to use and store. All-for-one dumbbells eliminate the need for multiple dumbbells in your workout space. Suitable for performing basic toning body workouts
Bestseller No. 4
RUNWE Adjustable Dumbbells Barbell Set, Free Weight Set with Steel Connector at Home/Office/Gym...
- ADJUSTABLE WEIGHT SETS 2-IN-1 DUMBBELL BARBELL DESIGN: RUNWE adjustable dumbbells set comes with a connecting bar that can be easily attached to both dumbbells to transform into a barbell. There are also adjustable weight plates that let you customize the weight of the dumbbell/barbell to your desired setting. This allows you to efficiently use our dumbbell/barbell set for many exercises instead of buying multiple sets.
- COMPREHENSIVE WEIGHT SET HOME GYM: Our all-in-one dumbbell-barbell set allows you to have a versatile workout. The dumbbells can be used to sculpt your arms, while the barbell setup allows you to practice dead-lifts or squats. This product is perfect for improving overall health or encouraging weight loss. It also helps strengthen the upper body, core muscles, and lower body. The adjustable design makes it easy to stay fit at home.
- FREE WEIGHT SETS FOR EXERCISES: This set comes with 16 weight plates: four 4.4 lb. plates and twelve 5.5 lb. plates. So weights can be added or taken off in 4.4 lb. or 5.5 lb. increments. You can adjust the weight of dumbbells or barbells at any time according to your needs. In addition,WING-BOLT ENHANCED SPINLOCK make the plates no more loosen! Keep 'em tight till the end of your workout. The wing-bolt enhanced spinlock can provide a more secure exercise.
- NON-SLIP SAFE DESIGN: Each dumbbell handle is solid steel with coarsened rubber coating handles give you great control over your weights, allow you to feel safe and be worry-free while doing your workout, it can give you a better grip so you can improve your coordination and avoid any injuries or accidents. This simply designed dumbbell/barbell can be used to strength train and to build your muscles in order to avoid muscle atrophy and keep healthy.
- PREMIUM QUALITY: Are you tired of the scratched floor from working out at home? Our weight plates are coated with PE material which avoid damage to your floor, so it's very suitable for home use. RUNWE adjustable dumbbell set comes with a 30-Day warranty for manufacturing defects. Your purchase from us is risk free. Please contact us if the product you purchased from us has failed your expectation. Our customer service will try our best to respond quickly and efficiently.
Bestseller No. 5
Adjustable Dumbbell Set, Male and Female Fitness Free Weight Dumbbell Set with Connecting Rod can be...
- 【88lb (40kg) dumbbell composition】 8x3kg dumbbells; 4x2.5kg dumbbells; 4x1.25kg dumbbells; 1 connector; 2x dumbbell bars; 4 non-slip nuts
- 【Adjustable weight】 The dumbbell sleeve uses a spin lock ring, and the weight can be easily adjusted by adding or removing a weight plate on the bar. The screws that fix the heavy objects are firm, which can ensure that the dumbbells will not loosen during use. Adjustable weight from 4 pounds to 88 pounds, it is very easy to use even for fitness beginners
- 【HIGH QUALITY & PATENT DESIGN】The dumbbell bar which covered with a rubber coating ensures a comfortable and non-slip grip. Weight plates made of steel and cement mixture and covered with environment-friendly ABS shell. Patent design texture makes it unique, better grip, not easy to aging.
- 【Healthy and fitness】 Our weight helps train and strengthen your quads, glutes, buttocks, abs, biceps, triceps, legs and knees at home or gym. With the effective fat-burning fitness equipment, body shaping is quite simple and easy. Perfect birthday/ Christmas gifts for men and women. Our 24-hour professional after-sales team will solve any problems for you.
Bestseller No. 6
ShapeFitCore Adjustable Dumbbells 45 lbs with Weight Plate for Home Gym 1 Pcs - Fitness Weights with...
- EASILY ADJUSTABLE – Simply turn the handle to adjust the weight from 5 to 45 pounds. No knobs to turn, pins to align, or levers to slide – just twist and go!
- MAXIMUM EFFICIENCY – Quickly switch weights between exercises during circuit workouts & lower the downtime between exercises; Octagonal shape wards off hazards & ensures weights are located where you left them – no rolling, tripping over weights or long downtime!
- SPACE SAVER – Eliminate the need for multiple dumbbell sets and stop cluttering your home gym with dumbbells; Say goodbye to 16 sets of dumbbells and hello to the ADJUSTABLE dumbbells!
- ERGONOMIC DESIGN: The handles have been designed with your comfort in mind. The handle grip has a special profile for perfect grip made from rust free material with non-slip texture to prevent injuries. Smooth and durable molded metal plates ensure smooth lift-off and quieter workouts having no clanging metal plates
- 16 WEIGHT ADJUSTMENTS - Multiple weight ranges makes it convenient for performing basic body workouts, core fitness, strength exercises and heavy leg lifts
Bestseller No. 7
MOVTOTOP 66.14 LBS Adjustable Dumbbell Set,【2020 Newest】 Multiple Dumbbell Weights Set for...
- 💪🔥【High Quality and Durable】：Our MOVTOTOP dumbbell set made of embossed /frosted weight plates and anti-rust, wear proof plating iron bar --high temperature resistance, not easy aging ,is of high quality and more durable for your long-term exercise. And the weight plates covered with plastic to avoid causing damage to the floor
- 💪🔥【Multi Application Dumbbell Set】66.14 LBS Adjustable spin lock dumbbell combination with 16Plates--4x5.51LB, 4x4.4LB, 4x3.3LB, 4x2.8LB, 2 extension bars, 4 x nuts. Kinds of plates choice let you free to customize the weight setting to meet the training needs.
- 💪🔥【Anti-slip Safe Design】：Our core home fitness adjustable dumbbell set is equipped with a non-slip handle design,the bump surface of it can greatly enhance the friction ensuring a firm grip, safer and more comfortable.With the side smooth pads, the dumbbells is not easy to roll, elegant appearance for unisex users, which is more user-friendly than ordinary dumbbells.
- 💪🔥【Easy to Assemble and Store】Equipped with thicken and smooth nuts, which are easy to twist, the weights dumbbells set won’t hurt your hands when assembling or using. After disassembling, it is easy to carry ,require a small storage space as well, suitable for home or office fitness training as you want.
- 💪🔥【Worry-Free Purchase】:If you have any questions during use our exercise equipment,please feel free to contact us 24 hours team,we will answer your questions as soon as possible.
Bestseller No. 8
POWERBLOCK 50 Set - 1 Pair - 10-50 lbs.
- sold as Pair (2) of dumbbells
- Has weight range of 10-50 lbs per hand
- Increments: 10, 15, 20, 25, 30, 35, 40, 45 and 50 lbs per hand
- Replaces 9 pairs of dumbbells or 540 lbs of free weights. Dimensions(Inches)- 12.25 L x6.5 W x 6.5 H
- Is not expandable later
Bestseller No. 9
Gorilla Gadgets Adjustable Dumbbell 2.5-52.5 lb, Compact Gym Weight, 15 Weight Sets in One for Women...
- [ADJUSTABLE] -Our dumbbells allow you to adjust the weight between 5 to 52.5 lbs as you gradually increase your strength or change the type of exercise. The adjustable weight feature allows you to be able to gradually improve your training and achieve your goals without wasting money on buying new weight sets. The adjustable feature also allows multiple family members to train based on their own skill level. Weights: 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50 and 52.5 lbs.
- [SAVES SPACE|WORKOUT ANYWHERE] - Our dumbbells replace 15 sets of weights and allow you to combine all of them in just 1 compact system. Forget about having an issue of figuring out where to place your racks of many dumbbells. With our dumbbells, you will be able to workout anywhere! If the weather is great outside, you can simply move the dumbbells outside. Our dumbbells will save space and will allow you to have access to 15 different weights in 1 system.
- [PERFECT AND DURABLE MATERIAL] - Durable molding around metal plates provides for a smooth lift-off and quieter workouts. No need to worry about waking up your family when working out late night. This dumbbells will not damage your precious floor as well as not have any smell to them. Our dumbbells are quality checked before being shipped out. We promise that they will not break and they will serve you for many years.
- [TOTAL BODY WORKOUTS WITH PERFECT GRIP] - With the wider weight range you can do heavy exercises such as shrugs and lunges as well as lighter exercises such as curls and raises. You can easily switch between exercises without having a need to have a whole wall of different weights. The grip on our dumbbells is made of silicone but at the same time it provides a feel of a dumbbell. Our dumbbells will leave your hands in perfect condition without leaving calluses on your hands.
- [PERFECT PRESENT] - These dumbbells will be a perfect present to your friends or loved ones. Since it is not safe to go out to gyms right now, these adjustable dumbbells will make sure your loved ones stay safe and in shape. Protect your loved ones’ lives and keep their health in perfect condition.
Bestseller No. 10
KAC Adjustable Dumbbells Barbell 2 in 1 with Connector, Adjustable Dumbbell Barbell Sets Total...
- 【Detachable dumbbell】Dumbbells for resistance training are ideal for arms, chest, back, core and legs. Each dumbbell is adjusted from 4.4 pounds to 33 pounds. There are 12 dumbbell pieces for you to choose.
- 【Adjustable to barbell】Dumbbells are connected by connecting rods to become barbells, in which the deep thread is firm and solid. This set of home fitness equipment for diversified choices can meet the needs of upper and lower limb exercises. With this dumbbell set, save your time and gym membership fees, and enable you to exercise anytime, anywhere!
- 【Safe decompression】The 17.7-inch all-inclusive foam connecting rod and curved rubber-covered dumbbell rod fit the palm of your hand to avoid sports injuries and give you the necessary comfort for fitness. Strengthen your core strength in a safe and effective way, help you burn calories and improve abdominal endurance.
- 【Household environmental protection】This set of equipment uses environmentally friendly PE dumbbells, filled with a fine iron powder cement mixture to protect the floor from wear.
- 【Brand support】KAC dedicated to simplify your home gym and provide the best quality home fitness products. Let you get the same full-body exercise intensity at home as the gym. if you have any questions about our home gym products, please feel free to contact us.
Adjustable dumbbells deals under $100
Here are the best selections now for every budget with Trusted Reviews’ loot at the roundup of the best Adjustable dumbbells under 100$
Bestseller No. 1
Adjustable Dumbbell Set, Male and Female Fitness Free Weight Dumbbell Set with Connecting Rod can be...
- 【88lb (40kg) dumbbell composition】 8x3kg dumbbells; 4x2.5kg dumbbells; 4x1.25kg dumbbells; 1 connector; 2x dumbbell bars; 4 non-slip nuts
- 【Adjustable weight】 The dumbbell sleeve uses a spin lock ring, and the weight can be easily adjusted by adding or removing a weight plate on the bar. The screws that fix the heavy objects are firm, which can ensure that the dumbbells will not loosen during use. Adjustable weight from 4 pounds to 88 pounds, it is very easy to use even for fitness beginners
- 【HIGH QUALITY & PATENT DESIGN】The dumbbell bar which covered with a rubber coating ensures a comfortable and non-slip grip. Weight plates made of steel and cement mixture and covered with environment-friendly ABS shell. Patent design texture makes it unique, better grip, not easy to aging.
- 【Healthy and fitness】 Our weight helps train and strengthen your quads, glutes, buttocks, abs, biceps, triceps, legs and knees at home or gym. With the effective fat-burning fitness equipment, body shaping is quite simple and easy. Perfect birthday/ Christmas gifts for men and women. Our 24-hour professional after-sales team will solve any problems for you.
SaleBestseller No. 2
Nice C Adjustable Dumbbell Weight Pair, 5-in-1 Weight Options, Non-Slip Neoprene Hand, All-Purpose,...
- PATENT WEIGHT ADJUSTABLE DESIGN: Nice C adjustable dumbbells come with removable weight bars that allows you to set your desired weight. The ends of the dumbbell can be opened and weight bars can be either added or removed upon your preference. This allows you to efficiently use one set of dumbbells for many exercises instead of buying multiple sets.
- COMPREHENSIVE EXERCISE SET: Unlike most dumbbells that require multiple purchases for different weights, this all-in-one dumbbell allows you to have a versatile workout. These dumbbells can be used to sculpt your arms or tone your back. This product is perfect for improving overall health or encouraging weight loss. It can also help strengthen your upper body or core. The adjustable design makes it easy to stay fit at home.
- MULTI-WEIGHT SETTING: The dumbbell alone weighs 2.3 lbs. each. Weight bars are included to allow you to adjust the weight of your dumbbell. There are 16 small and 2 large weight bars per dumbbell. The small bars weigh 0.4 lbs. each and the large bars weigh 1.25 lb. each. In order for the sides to be even, you must add them equally on each side. The lowest weight is 2.3 lbs. and the highest weight is 11.2 lbs. per dumbbell.
- NON-SLIP SAFE DESIGN: The slip resistant Neoprene allows you to feel safe and be worry-free while doing your workout. Both the Neoprene and upgraded curve-shaped handlebar allows for a better grip so you can improve your coordination and avoid any injuries or accidents. This simply designed dumbbell can be used to strength train and to build your muscles in order to keep healthy and avoid muscle atrophy.
- PREMIUM QUALITY –Your satisfaction is our priority which is why we make sure that every product you receive from us is made with high quality raw materials and is defect free. Our Adjustable Dumbbell Set comes with a 30-Day warranty for manufacturing defects. Your purchase from us is risk free. Please contact us if the product you purchased from us has failed your expectation. Our customer service will try our best to respond quickly and efficiently.
Bestseller No. 3
![Cuhas Adjustable Dumbbell Weight Pair PE Coated Dumbbell, 88 Lbs Set [Fast Delivery from The U.S.]](https://i2.wp.com/m.media-amazon.com/images/I/41l9p8C2MOL._SL160_.jpg?w=1230&ssl=1)
Cuhas Adjustable Dumbbell Weight Pair PE Coated Dumbbell, 88 Lbs Set [Fast Delivery from The U.S.]
- Set of 2 dumbbells, 44 pounds each.
- Steel dumbbell with PE exterior.
- 15.7 in connector included.
- Arbitrary combination for daily / intensified workouts.
- Sculpt individual muscle group / major muscle groups.
Bestseller No. 4
CAP Barbell RSWB-CS040T Adjustable Dumbbell Set (40 Pounds)
- Set comes with several weight plates that allow you to create different weight combinations with the dumbbells.
- Fully adjustable with four 6 lb plates, four 2.5 lb plates, 2 threaded solid dumbbell handles, and 4 spin-lock collars.
- Plates are made of solid cast iron construction with a baked enamel finish.
- Ideal for home use.
Bestseller No. 5
KOOLSEN Adjustable Dumbbells Weight Set, 5 in 1 Weights 2.3~11lbs Single Dumbbell Pair for Women and...
- 💪【 Weight Adjustable Design 】KOOLSEN adjustable dumbbells come with removable weight bars that allows you to set your desired weight. The ends of the dumbbell can be opened then the weight bars can be added or removed upon your need. This allows you to efficiently use one set of dumbbells for many exercises instead of buying multiple sets of different weights.
- 💪【 Multi-Weight Setting 】There are 16 small and 2 large weight blocks per dumbbell. the single large block weighs 1.25 lbs and single small block weighs 0.4 lbs. Without adding weight block, the per dumbbell weighs 2.2 lbs. After adding weight blocks, the weight can be adjustable from 2.3 to 11 lbs per dumbbell. Tip: In order to balance both sides, please add equal weight on both sides evenly.
- 💪【 Anti-Slip Safe Design 】The non-slip comfortable handle allows you feel safe and be worry-free during workout. Ergonomic design handle allows for a better grip so you can improve your coordination and avoid any injuries or accidents. and the outer rubber wear-resistant design can also protect the floor from damage caused by friction.
- 💪【 Comperhensive Exercise Set 】Not like most dumbbells that require multiple purchases for different weights, this all-in-one dumbbell allows you to have a versatile workout. It helps train and strengthen your Deltoid muscle, Pectoralis major, Biceps, Abs, Sternocleidomastoid muscle and etc. With the effective fat-burning fitness equipment, body shaping is quite simple and easy.
- 💪【 Best Service 】If you are not 100% satisfied with KOOLSEN dumbbell, please contact us, we will refund you unconditionally. We have 24h customer services to answer for your questions anytime. Buy with confidence!
Bestseller No. 6
papababe Adjustable Dumbbells Cast Iron with Connector 40 50 65 105 200, Adjustable Dumbbell Sets,...
- SET OF 2 DUMBBELLS-40LBS total: 12" X 1 Connector, 14''x 1'' handles X 2, 3-pound plates X4, 5-pound plates X4, collars X4.
- Chromed Steel dumbbell Connector: Easily turn two dumbbells into one barbell with the high-quality steel connector. The connector handle is knurled for better grip and increased safety during exercises. Compatible with 1-inch spin-lock dumbbells.
- High quality: This adjustable dumbbells set made from solid steel with chrome finish, have long-lasting protection; textured grips promote secure, comfortable hold.
- Versatile: Our adjustable dumbbells set with dumbbell Connector offer great versatility and interchangeability, easy to to switch between working out with dumbbells or a barbell , Suitable for performing basic toning body workouts, core fitness, strength exercises and heavy leg lifts.
- Convenience: All-for-one adjustable dumbbells eliminate the need for multiple dumbbells in your workout space. Great for training in your home gym, garage, or workout space.
Bestseller No. 7
YAHEETECH Adjustable 66.14LB Dumbbell Weight Set Barbell Lifting w/ 4 Spinlock Collars & 2 Connector...
- Plates: 4 x 5.5 lb, 4 x 4.4 lb, 4 x 3.3 lb and 4 x 2.8 lb,Product Weight: 66lbs, Dumbbell bar weight :0.6kg/1.32lb(pc)
- Non-slip grip: Features with comfortable PVC textured grip to prevent slipping when exercising, which can ensure your safety
- Protective: Weight plates covered with plastic to avoid causing damage to the floor, suitable for home use
- Great for body workouts: Help tone and sculpt your arms, shoulders, back and also strengthen your muscles
- High quality & durable: Made of cement weight plates and plating iron bar, which is sturdy to use; antirust and wear proof plating iron bars provide a long service life
Bestseller No. 8
CAP Barbell RSW2-40T 40-Pound Adjustable Dumbbell Weight Set, a. Black, 40 LB, Pair
- Weight set includes – 40 lbs. Total: two 14” standard dumbbell handles, four 3-pound plates, four 5-pound plates, and four star lock collars. Great for targeting Individual muscle groups or incorporating into a full body workout.
- Cast iron weight plates fit 1-inch standard handles and bars – plates will accommodate all standard 1-inch handles and bars. High-grade cast iron plates covered with black epoxy finish to prevent rust and corrosion for years to come.
- 14-Inch diamond knurled chrome handle – crafted from cold rolled steel with Medium-depth diamond knurling for a secure, non-slip, no-rip grip
- Star-lock collars with rubber O-ring – course thread Star collars are easy to tighten and loosen on threaded ends and help keep plates securely Fashioned while weightlifting.
- Easy Use & storage – compact design makes this set convenient and easy to Use and store. This all-in-one dumbbell set eliminates the need for multiple dumbbells in your home gym.
- Department Name: Unisex-Adult
- Included Components: 2 Dumbbell Handles;4 Collars;8 Weight Plates
- Sport Type: Weightlifting;Exercise & Fitness
Bestseller No. 9
AnMoreH Adjustable Dumbbells Dumb Bell Weights Compact, Max Strength 110lbs Dumbbell Barbell Lifting...
- 【Dumbbell To Barbell】This Dumbbells set can be connected by a 15.8'' super long connecting rod and become a barbell to meet the needs of upper and lower body workouts, which helps tone and sculpt your arms, shoulders, back, chest, and leg. This new dumbbell concept allows you to do both dumbbell and barbell training movements to build your muscle at home or office.
- 【Free Combination】Different from other products on Amazon, we provide three specifications of dumbbell sets (34/45/57lbs) and three specifications of dumbbell plates (32/43/53lbs), so you can combine them freely . For example, you can combine a 66lbs dumbbell set (34lbs dumbbell set + 32lbs adjustable weights).
- 【Quick Delivery】Our dumbbell pairs and dumbbell plates are delivered through Amazon, so it can be delivered to you quickly. If your product is delivered by the seller, you need to wait at least one month.
- 【Package List】1x connector, 2x dumbbell bar, 4x non-slip nuts, 2x glove, 2x wristband, 2x1.25KG Dumbbell plates, 2x1.5KG Dumbbell plates, 2x2KG Dumbbell plates, 2x2.5KG Dumbbell plates.
- 【Product Warranty】We provide a one-year warranty for our products. If there is a problem with the product, you can always contact us and we serve you 24 hours a day.
Bestseller No. 10
Yes4All Adjustable Dumbbells - 50 lb Dumbbell Weights (Pair)
- SET OF 2 DUMBBELLS - 50 LBS TOTAL: TWO 14”x 1” handles, FOUR 3-pound plates, FOUR 7.5-pound plates, FOUR collars
- CAST IRON WEIGHT PLATES FIT 1-INCH STANDARD BAR: Accommodate all standard 1-inch handles. Durable cast iron plates covered with black paint finish preventing rust and corrosion for lifetime use
- 14-INCH DIAMOND KNURLED CHROME HANDLE: Constructed of high-quality, textured chrome handle for secure, firm, and non-slip grip
- STAR-LOCK COLLARS WITH LOOSE-RESISTANT RUBBER TRIMS: Threaded ends with star-lock collars provide a safe, secure workout & easy weight plate changes
- EASY USE & STORAGE: Take seconds to assemble and take out. Compact, convenient, and easy to use and store. All-for-one dumbbells eliminate the need for multiple dumbbells in your workout space