Price:€549.99
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Your purchase in 48 times without fees, for times, for 12,81 € by month.
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The adjustable dumbbell that feels like a fixed dumbbell. This complete pack includes the pair of adjustable steel dumbbells (4 to 36 kg), the storage rack, the kettlebell handle, the 4-bolt extension kit and 2 sets of 8 x 2 kg weights to reach 65 kg per dumbbell.
The Steel pair combines the solidity and authentic feel of non-adjustable cast iron dumbbells with the flexibility of a scalable system. Simply loosen the knurled bolt by a few centimetres to adjust the load in seconds, without removing it. The locking mechanism secures the plates perfectly, with no play, even on explosive movements such as rows or bench press.
The flat lateral design allows you to rest the dumbbells on your thighs safely. The knurled steel handle provides a firm and comfortable grip. The plates are held securely by two grooved safety pins, preventing any rattling or accidental movement. Their square shape prevents rolling, improves floor stability and makes them perfect for Renegade Rows.
Progressive loading in 2 kg increments (1 kg and 2 kg weights) up to 65 kg. Entirely made of steel, built to last and support your long-term progression.
Step 1 — Choose your handle mechanism
Two adjustment mechanisms exist: 1 kg increments (the most precise, our reference) or 2 kg increments. First select your model below, then choose your configuration in step 2.
| HR-36 5 to 36 kg 2 kg increments You are here |
HR-20P 4 to 20 kg 1 kg increments View this model → |
HR-36P 4 to 36 kg 1 kg increments View this model → |
Pair of adjustable dumbbells 100% steel 4 to 36 kg
Stand for 100% steel adjustable dumbbells
Kettlebell handle
4-screw extension set for 100% steel adjustable dumbbells (stage 2, 38 to 65 kg)
Set of 8 plates of 2 kg for 100% steel adjustable dumbbells x2 (32 kg in total)
Weight range: 4 to 65 kg per dumbbell
Adjustment: in 2 kg steps
Material: 100% steel
Colour: black
Handle diameter: 35 mm
Handle length: 17.3 cm
Dimensions (at 36 kg): 36.5 x 17.5 x 17.5 cm
Weight of the handle alone: 4 kg
Weight of one screw: 1 kg
Weight tolerance: +/- 3%
Square anti-roll shape
Knurled screw clamping + 2 grooved safety pins
Plates included (base): 2 pairs of 1 kg + 12 pairs of 2 kg
Plates included (extension): 16 additional pairs of 2 kg


This adjustable dumbbell pack from Uni Strength brings together everything you need to train from 4 to 65 kg per dumbbell without having to buy more equipment. The base pair covers the 4 to 36 kg range. The extension kit and the additional plates included in the pack take you to 65 kg per dumbbell, i.e. 130 kg in total for the pair. With this pack, you invest in a complete, upgradeable system that takes you from beginner level to the heaviest loads.
With a starting weight of only 4 kg, these black adjustable dumbbells are perfectly suited to beginners who want to progress at their own pace. Going up in 2 kg steps allows gentle, controlled progress, ideal for learning the fundamental movements with a suitable load. For experienced lifters, the maximum load of 65 kg per dumbbell covers almost all upper-body exercises, including heavy presses and single-arm rows with a substantial load.
By loading each dumbbell to 16 kg, you get a versatile configuration for the basic exercises: bench press, single-arm row, curl, lateral raises, Arnold press. It is the most common starting point for a complete upper-body workout. Thanks to the quick knurled screw adjustment, you change the load between sets without interrupting your training.
Thanks to the extension kit and the additional plates included in this pack, each dumbbell can reach 51 kg and even 65 kg. No need to buy a new pair of 50 kg adjustable dumbbells: the same system grows with you. That is the main advantage of the steel knurled-screw format over quick-select adjustable dumbbells, which are generally capped at 32 or 40 kg and cannot be extended.
All-inclusive pack: dumbbells + stand + kettlebell handle + extension + additional plates
Full range from 4 to 65 kg per dumbbell, with no further purchase
The same feel as a fixed cast iron dumbbell
Square shape: no rolling, stable on the floor, perfect for Renegade Rows
Secure knurled screw clamping + pins, no play on explosive movements
100% steel, built to last
Storage stand included
| Model | Load range | Step | Max extension | Entry price | Weight per dumbbell |
|---|---|---|---|---|---|
| HR-36 | 5 to 36 kg | 2 kg | 65 kg | €474.99 | 36 kg |
| HR-20P | 4 to 20 kg | 1 kg | 65 kg | €329.99 | 20 kg |
| HR-36P | 4 to 36 kg | 1 kg | 65 kg | €499.99 | 36 kg |
The base pair covers 4 to 36 kg per dumbbell, in 2 kg increments. The extension kit and the extra weights included in the pack take each dumbbell to 65 kg, or 130 kg for the pair. You do not need to buy a second pair as you progress, the same system grows with you.
Tightening is done with a knurled screw, backed up by two grooved safety pins. Changing the load takes a few seconds between sets, with no tools. It is slower than a quick-select system, but the lock takes up no play on explosive movements, which is the weak point of dial models.
No, the plates are square. The dumbbell stays where you put it, which is essential for Renegade Rows, dumbbell push-ups and any exercise where you press on them. The feel in the hand remains that of a fixed cast iron dumbbell.
The handle is 35 mm in diameter and 17.3 cm long. Loaded to 36 kg, the dumbbell measures 36.5 x 17.5 x 17.5 cm. The handle alone weighs 4 kg and each screw 1 kg. The stated weight tolerance is plus or minus 3 percent.
Load each dumbbell to 16 kg. This setup covers the basic upper body exercises: bench press, one arm row, curl, lateral raises and Arnold press. The 4 kg starting weight then lets you progress in 2 kg increments, without any abrupt jump in load.
Yes. With the extension kit and the additional weights, each dumbbell goes up to 65 kg, which covers almost all upper body exercises, including heavy presses and heavy one-arm rows. The knurled screw locking stays free of play on explosive movements.
| Dimensions | 36.5 x 17.5 x 17.5 cm (at 36 kg) |
|---|---|
| Diameter | 3 cm |
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