DT1166 Adjustable Dumbbell Set

Introducing our 66lb Dumbbell Set, designed to enhance your home workout experience.

With 12 adjustable weight options ranging from 11 to 66 pounds, we've engineered this set to match your fitness goals.

DT1166 Adjustable Dumbbell Set

The 66lb Adjustable Home Dumbbell Set

From $399.99




One dumbbell to rule them all. Save space and storage with this adjustable dumbbell, our compact design replaces 12 whole dumbbells

Safe and durable

The compact and well-controlled design of this adjustable dumbbell makes it easy to handle during exercise. Even with additional weight added, it remains smaller than other comparable adjustable dumbbells.


Simply turn the dial to the weight you want, in just 3 seconds you're good to go thanks to our award-winning Dial Tech system

Reinforced Base

The dumbbells layered base is made of reinforced plastic, keeping the plates firmly in place.

Perfect for a Full-Body Workout
Laser Cut Steel Plates
Compact Design

Tech specs


This set is an all-in-one solution for full-body workouts. It offers a wide weight range, starting from 11lbs up to 66lbs in 5lb increments. This versatility enables you to engage all your muscle groups through numerous exercises.

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Quick View

Package including: 44 Lbs Adjustable Dumbbells x2, Tray x2

Adjustable Range: 4.4 - 44 lbs

Package including: 66 Lbs Adjustable Dumbbells x2, Tray x2

Adjustable Range: 11 - 66 lbs

Package including: 88 Lbs Adjustable Dumbbells & Tray

Adjustable Range: 11 - 88 lbs


Weight: 101lb package in total for the 44LBS dumbbell set.

Dimensions: 16.9"L*9.0"W*6.7"H

Weight: 145lb package for the 66LBS dumbbell set.

Dimensions: 16.3" L x 8.3" H x 7.9" W

Weight: 99lb package for the 88LB single dumbbell.

Dimensions: 15.9"L *9"W *9.4"H 

Weigh Shifting System

Glide Tech

Dial Tech

Dial Tech


$239.99 $299.98

$399.99 $599.98

$299.99 $399.99



339 reviews
Wes Wike

These are really great dumbbells. I've felt a few at the big box stores, but none that went past 55lbs. I was excited to find these and have no regrets!

Merton Moses

Better than BowFlex!

Great adjustable weights, they are great with their one side pin quick adjustment feature!

Nur Sattar

Really like the dumbbells, easy to use, so effective and convenient. Best price and value for the amount of weight!

Sarah J. Piper

Compact and Sturdy. These adjustable dumbbells are fantastic! They are sturdy, compact, and easy to adjust. Highly recommended!

What YouTube Says

Garage Gym Reviews

These ARE the new BowFlex


Built Like a TANK

The Ativafit difference


Thirty years of product development experience have allowed us to create the ultimate fitness set for the families and fitness enthusiasts. Our compact and user-friendly dumbbell, which contains 12 weights, fits well for weight training for everyone. With safety and practicality in mind, we use metal weight-changing discs for increased stability when loading weight plates.


Your safety is our priority, so we’ve partnered up with Liberty Insurance to ensure you're covered for injuries resulting from product faults or malfunctions during your training, with coverage extending up to 4 million.

Please note that this coverage is applicable exclusively to dumbbell products purchased directly from the Ativafit website.

2 * 66lb adjustable DT116 Ativafit Dumbells, with their reinforced base.

Please adjust weights on the trays for safety.
Make sure to press down the red safety button completely and have the arrow pointed exactly to the desired weight number.
Please do not drop or throw weights after use.

Free shipping across US continental in 10 workdays.
2 years warranty

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