Daily Strength Partner Built for Precision Secure Dial Lock

Ativafit Martian 50 Lb Adjustable Dumbbell Set

All-Steel Strength | 10 Weight Levels | Security Lock

$309.99

$379.99

Join AtivaPeople for $278.99
Free Shipping within the U.S.

Free Shipping within the U.S.

Standard shipping in 3–7 days. Learn more

1-Year Warranty Included

1-Year Warranty Included

2-Year as members only for dumbbells. Learn more

Worry-Free Purchase

Worry-Free Purchase

Cancel within 24 hrs, return within 30 days. Learn more

Pay with shop pay

Pay with shop pay

Split your purchase into 4 interest-free installments

Most‑Used Weight Range: From 5 to 50 lbs(2.3-22.7 kg), designed around the most-used weights people train with at home.

Space‑Saving Design: Replace  10 pairs of dumbbells with one clean, compact 50 lbs adjustable dumbbell set.
Quick DialTech Adjustments: Switch weights in seconds 5 lb increments to keep your training focused and uninterrupted.
Built for Daily Training: Steel plates with reinforced trays our ativafit adjustable dumbbells are designed for long‑term, repeat use.

- 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.
View and download the manual

2 x 50 lb adjustable dumbbells, 2 x trays, 1 x workout guide, 1 x manual

PAIRS WELL WITH

Shipping Policy

Enjoy Free Standard Shipping on all U.S. orders (continental only, as we don't currently ship to Hawaii or Alaska.).
Orders ship in 24 hours and arrive in 3–7 days (longer during holidays).

View full shipping policy here.

Warranty Policy

All products come with a 1-year warranty from purchase.
AtivaPeople Members get an extended 2-year warranty. Join AtivaPeople now!
Warranty covers defects in materials or workmanship under normal use.

View the full warranty policy here.

Refund Policy

30-day returns for unopened, unused products.
Free replacements for defective or incorrect items based our warranty policy.
Return shipping covered only for defective/mistaken orders.
Refunds issued to your original payment method or store credit.
Add Worry-Free Delivery insurance for protection against loss or damage.

View the full return & refund policy here.

Who Should Buy 50 lb Adjustable Dumbbells

Woman exercising with dumbbells in a home setting

Confident Starters

"I’m serious about getting stronger, but I want to do it the right way. Martian 50 lbs adjustable dumbbell sets let me build strength with control and confidence without feeling pushed into extremes. "

Man exercising with 50lbs adjustable dumbbells in a living room.

Consistent Builders

"I train regularly and want to stay consistent. The Martian 50 lbs adjustable dumbbell set gives me enough weight to train properly at home without overthinking or overloading. It fits my pace, not someone else’s. "

Woman exercising with adjustable dumbbells in a living room setting

Balanced Lifters

"I’m not chasing extremes. I want one dumbbell I can return to day after day and keep progressing with. Martian matches how I actually train. "

Woman exercising with dumbbells in a home setting

Confident Starters

"I’m serious about getting stronger, but I want to do it the right way. Martian 50 lbs adjustable dumbbell sets let me build strength with control and confidence without feeling pushed into extremes. "

MARTIAN Design: The Heart of Your Home Gym

Precision in every dial, power for every goal. Engineered for peak utility, the Martian 50lb adjustable dumbbell is the most versatile tool in our lineup. With 10 finely-tuned weight levels from 5 to 50lbs, it provides the exact resistance needed for focused sculpting and consistent strength building. It’s not just a starting point—it’s the one piece of equipment you’ll reach for every single day.

Black and orange adjustable dumbbell with safety indicator button and 10-point secure lock features.

Safety Locking System

10-Point Secure Lock: Designed to ensure weight changes only happen when the dumbbell is properly docked — so every set starts with confidence and control.
Safety Indicator Button: A clear visual signal confirms the selected weight is locked and ready, helping you focus on training instead of second-guessing.

Man exercising with 50 lbs adjustable dumbbells in a living room setting, with close-up insets of the dumbbells' features.

Ergonomic Anti-Slip Grip

Contoured Design: Shaped to follow the natural curve of your hand, reducing strain during repeated, everyday sets.
Premium Rubber Wrap: Slip-resistant rubber provides a secure, comfortable grip even as your workouts progress.

Close-up of dumbbell's dial tech on a wooden surface

Full Versatility

With a range from 5 to 50 lbs across 10 precise levels, the Martian covers the weights most people actually train with. As a complete 50 lbs adjustable dumbbell set, it supports everything from controlled technique work to meaningful strength progression.

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Weight Range
5.5 - 27.5 lbs
5 - 50 lbs
11 - 66 lbs
11 - 88 lbs
Increments
5.5 lbs
5 lbs
5 lbs
7 lbs
Dimensions
16.2"L x 7.2"W x 7.2"H
16.7"L x 8.2"W x 7.7"H
16.2"L x 7.2"W x 7.2"H
16.2"L x 8"W x 8"H
Package Weight
66 lbs (set)
116 lbs (set)
148 lbs (set)
99 lbs (single), 188lbs (set)
Material
Steel plates, reinforced base
Steel plates, reinforced base
Steel plates, reinforced base
Steel plates, reinforced base
Handle Design
Steel core, non-slip rubber grip
Steel core, non-slip rubber grip
Steel core, ergonomic design
Steel core, ergonomic design
Adjustment
Glide Tech
Dial Tech
Dial Tech
Dial Tech
User Group
Light Training & High-rep Workouts
Precise & Efficient Strength Training
Heavy Lifter, Next-level Strength
Elite 1%, Uncompromised Power

Hear the Buzz.See the Results

Ativafit 6lb adjustable dumbbell Customer Review Video 1
Ativafit 66lb adjustable dumbbell Customer Review Video 2
Ativafit 66lb adjustable dumbbell  Customer Review Video 3
Ativafit 6lb adjustable dumbbell Customer Review Video 1

Complete Your Home Gym Setup

Combine with these essentials, maximize results, and save!

FAQ Guide for Your Ativafit Experience

The Martian's 10 weight levels (5-50 lbs) support complete full-body training at home. You can perform all major exercises: chest press, shoulder press, rows, squats, deadlifts, lunges, curls, and core movements. The Quick DialTech system lets you easily switch between light weights for isolation exercises (lateral raises at 10 lbs) and heavy weights for compound movements (squats at 50 lbs) in the same workout. One pair replaces 10 traditional dumbbell pairs, giving you gym-level versatility in your home.

Absolutely! The Martian is perfect for beginners starting their fitness journey. Why it works for beginners: Starts at just 5 lbs for learning proper form safely 10 gradual weight levels (5 lb increments) let you progress without rushing Simple dial adjustment no confusing pins or clips Safety lock prevents accidental weight changes Progressive path: Begin with 5-15 lbs, focusing on technique, then gradually increase to 20-30 lbs as you build strength. Within months, you'll progress to 40-50 lbs for compound exercises. The Martian grows with you from beginner to intermediate, making it a smart long-term investment versus buying multiple dumbbell sets.

Ativafit adjustable dumbbells use a precision DialTech system to change resistance instantly. When the dumbbell is docked in its base, simply hold the safety button and rotate the dial to your desired weight. This engages a specialized 10-point internal locking mechanism that secures the chosen steel plates. Once you lift the handle, the unselected plates remain safely in the tray. It’s a seamless way to access 10 different weight levels—from 5 to 50 lbs—using just one pair of handles.

Minimal space required: Each Martian dumbbell with its tray measures 16.7"L × 8.2"W × 7.7"H. A complete pair needs just 3 feet of floor space. Compare that to traditional dumbbells: Covering the same 5-50 lb range with fixed dumbbells would require 10 pairs and a 6-8 foot rack. Storage flexibility: The included trays serve as the base—no rack needed. Fits perfectly in apartments, spare bedrooms, closets, or garage gyms. You can also add our Atlas Stand for elevated, organized storage.

Unlike many adjustable dumbbells 50 lbs options that have large weight jumps, Martian features 10 precision levels. This allows you to fine-tune your resistance for focused sculpting and technique work. With our Quick DialTech system, you can switch between these levels in seconds, keeping your heart rate up and your workout uninterrupted.

Absolutely. The Martian is built for the "Daily Lifter." It features a 10-point safety locking system and reinforced steel plates, ensuring that your ativafit adjustable dumbbells remain secure and stable through years of repeat use. The ergonomic rubber grip also ensures comfort during those intense, everyday sessions.

Absolutely. An adjustable dumbbell set 50 lbs is one of the smartest investments for a home gym.
Cost & Space Efficiency: A single adjustable dumbbells 50 lbs pair replaces 10 pairs of traditional dumbbells, saving you both significant money and floor space.
Versatility: The Martian's range is the "Golden Standard," allowing you to switch from light lateral raises to heavy squats in seconds.

Yes. Every set includes a standard one-year warranty, plus an extra year when you join our Ativa People program.

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