TRUSTED SINCE 2009

💪 DESIGNED BY ATHLETES

🔥 HUGE RANGE OF UNIQUE DESIGNS

🚚 SHIPPED FROM BERLIN

Strength Shop Adjustable Dumbbell

Original price CHF 308.00 - Original price CHF 914.00
Original price CHF 0.00
CHF 308.00
CHF 285.19 Excl. Tax Final price varies by tax rate.
CHF 285.19 - CHF 846.30
Current price CHF 285.19 Excl. Tax Final price varies by tax rate.
Tax included
SKU: ADJ-DB-20KG-PAIR
Size

Choose your options

Strength Shop Adjustable Dumbbell Extension Kits
CHF 674.00
+
Magnetic Fractional Plate for Adjustable Dumbbell
CHF 49.00
+
Magnetic Fractional Plate for Adjustable Dumbbell
CHF 49.00
+

Pairs well with:

The Strength Shop Adjustable Dumbbell combines the solid, balanced feel of traditional fixed dumbbells with the versatility of a complete weight set. Built entirely from steel with a robust adjustment system, this design allows for rapid, secure weight changes in seconds — no tools, trays, or plastic parts required.

Engineered for athletes, coaches, and home gym owners who demand performance and durability, this dumbbell offers a precise lifting experience across a broad weight range. The chrome knurled handles provide a confident, consistent grip during heavy pressing, rowing, or isolation movements.

Every component has been refined for stability and longevity. The interlocking plate system with the strong screw eliminates rattle, ensuring a quiet, focused training environment. With its compact footprint and easy adjustment mechanism, this is a space-efficient solution that does not compromise on strength or quality.

Key Features

  • Easy weight adjustment – Adjust the weight by loosening the locking screw slightly; no need to dismantle or replace plates manually.
  • Full steel construction – All plates and components are manufactured from high-grade steel for lasting structural integrity and reliable performance.
  • Chrome-plated handle – 35 mm steel handle with medium knurling for a secure, non-slip grip, offering comfort and control even under heavy loads.
  • Secure interlocking system – Each plate connects via dual steel safety pins, preventing movement or noise during lifting.
  • Stable geometry – Square dumbbell heads stay firmly in place on flat surfaces, ideal for all dumbbell exercises.
  • Compact and efficient – Replaces multiple pairs of fixed dumbbells, reducing space requirements without sacrificing versatility.
  • Consistent balance – Even weight distribution across all configurations ensures the same lifting feel, regardless of the selected load.

Available Variants (Sold in Pairs)

  • 20 kg pair – Adjustable from 4 to 20 kg per dumbbell
  • 36 kg pair – Adjustable from 4 to 36 kg per dumbbell
  • 49 kg pair – Adjustable from 4 to 49 kg per dumbbell
  • 65 kg pair – Adjustable from 4 to 65 kg per dumbbell

Specifications

  • Handle diameter: 35 mm
  • Handle length: 175mm 
  • Length: 20kg: 290mm / 36kg: 375mm / 49kg: 470mm / 65kg: 610mm
  • Handle material: Chrome-plated steel
  • Knurling: Medium
  • Adjustment range: 4–20 / 36 / 49 / 65 kg (depending on variant)
  • Adjustment increments: Uses 1 kg and 2 kg plates per side, requiring equal loading on both ends. This results in total weight adjustments in 2 kg or 4 kg increments.
  • Construction: All-metal, shock-resistant
  • Surface finish: Black powder-coated plates, chrome handle
  • Weight tolerance: ±3%
  • Dimensions (approx. height × width): 175 × 175 mm per dumbbell (length varies depending on weight)
  • Suitable for: Indoor training (not drop-rated)

FAQs: 

Q: How are the weight increments adjusted?
The dumbbells use 1 kg and 2 kg plates per side. Since both sides must be loaded equally, the total weight changes in 2 kg or 4 kg increments.

Q: Can I upgrade my dumbbells later?
Yes. You can start with a lighter set and expand it later using additional weight plates or extension kits, without replacing the entire dumbbell.

Q: What is the weight range for the different bolt configurations?
The dumbbells use two bolt configurations depending on the total weight:

  • Standard bolt (1 kg): adjustable from 4 kg up to 36 kg
  • Extended bolt (1.5 kg): adjustable from 39 kg up to 65 kg

Customer Reviews

Overall rating: 4.6 / 5 from 8 reviews.

Customer photo review of Strength Shop Adjustable Dumbbell

These dumbbells are fantastic once you understand the weight jump mechanism you can adjust them very quickly, they have a fantastic grip I don't use chalk even with heavy rows. The plates don't move and above all they are really compact the movements are all in full range. Strenghtshop I love you!

Strength Shop Adjustable Dumbbell

Sturdy, high quality, very stable, they go very heavy, a joy to work out with. No complaints there at all. Big downside: very annoying to load if you need to switch weight ranges. With the short pins, the dumbbells go from 6kg to 36kg or so; if you need to load more weight, you have to completely screw the short pins out of the handles, and screw in the long pins. The long pins have a starting weight of about 34kg, so always using the long pins is not an option. Going from short to long (36-65kg range) takes an easy 5-6 minutes if you are fast. In practice, this means: if you warm up for e.g. RDLs, you will have a major break between your warmup sets before you can go heavy, which really hurts the flow. The weight ranges (= minimum weight for the long pins) should really be documented on the store page. Had I known that, I would have probably gotten regular handles, plates, and collars instead, they load much faster and are quite a bit cheaper. Noteworthy: I reported this to strengthshop, and they immediately offered me my money back if I send the dumbbells back in their original packaging (which I did not do, they feel very nice while training if you can stay in one weight range). Super service. If the annoying load range switch is not an issue to you: 100% recommendation.

Strength Shop Adjustable Dumbbell – PREORDER (Ships by April 7th)

Store owner replied: Thank you for your feedback! We have since added this information to our page. We appreciate your input a lot and even though this is a significant trade-off we believe these are the best value adjustable dumbbells on the market.

Great for the money. For me, the knurling is perfect and I have no issue with the balance. The only reason for not giving it a 5/5 is that if you go below 42kgs, you need to change screws. Changing the screws takes a while and is a bit of a pain in the ass. If you're looking for a 42kg-65kg or 4-42kg they're 5/5 but 4kg-65kg is a bit of hassle.

Strength Shop Adjustable Dumbbell – PREORDER (Ships by 31st March)

Very safe to use for all kinds of exercises, even explosive ones such as snatches and cleans. These save tons of space, obviously. Two slight drawbacks: The square shape is somewhat inconvenient in some exercises (but it is the safest, admittedly); and the lack of a rubber wraparound may prove painful if you are not careful (e.g. when cleaning the dumbbells and placing them on the shoulders).

Strength Shop Adjustable Dumbbell

Store owner replied: Thank you so much for the detailed feedback! We're glad to hear you're finding them safe for explosive movements like snatches and cleans, and that they're saving you space too. We appreciate you pointing out the drawbacks as well, that's really helpful for us and for other customers considering the product. We'll take your comments about the shape and the wraparound into account as we keep improving. Thanks again for taking the time to share your experience!

Brilliant Quality! and the heaviest adjustable dumbbell set ive seen - Really happy with these, they are just as advertised, it seems very difficult to find dumbbell sets that go past 45kg per dumbbell, now this set going up to 65kg per dumbbell is great! goes well with your heavy Duty Bench too, thanks :)

Strength Shop Adjustable Dumbbell

FAQs

How does the adjustment system work?

Loosen the locking screw slightly (no tools needed), slide the plate, and re-secure -its super easy to switch between loads.

What are the adjustment increments?

The dumbbells use 1 kg and 2 kg plates on each side. Since both sides must be loaded equally, the total weight changes in 2 kg or 4 kg increments.

Do I need a special tray or base?

No. The dumbbells can be used and stored directly on the floor.

Are the handles stainless or chrome-plated?

They are chrome-plated steel, combining corrosion resistance with a premium finish.

Are they suitable for heavy pressing and pulling movements?

Yes. The design provides the same balance and feel as a fixed dumbbell, suitable for pressing, rows, curls, and accessory lifts.

Can I upgrade my dumbbells in the future?

Yes. We will add individual components soon, so you can start with any set, such as the 20 kg version, and later expand to a heavier range by purchasing additional weight plates separately. The system is designed to be upgradable, allowing you to increase total capacity without replacing the entire dumbbell.