
Dumbbells
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Buying Dumbbells – The Comprehensive Guide by HAMMER
Dumbbells are the most versatile and timeless piece of equipment in strength training. Whether it’s bicep curls, squats, shoulder presses or deadlifts – with the right dumbbells, you can target every muscle group. HAMMER, the European market leader in fitness equipment, offers a complete range of dumbbells from a single source: from lightweight neoprene compact dumbbells for beginners, through to Olympic barbells with bumper plates, right up to kettlebells and adjustable dumbbell systems. In this guide, you’ll find out everything you need to know to choose the right dumbbells.
What are dumbbells?
Dumbbells are training weights that are held in one or both hands and moved using muscle power. They create mechanical resistance that stimulates muscles to adapt – in other words, to grow and become stronger. Generally speaking, a distinction is made between dumbbells (one-handed), barbells (two-handed, on a bar) and special types such as kettlebells. HAMMER offers all three categories in professional quality – for beginners, advanced users and professional gyms.
Which dumbbell is right for me?
Choosing the right dumbbell depends on three factors: your training goal, the space available and your budget. HAMMER offers the ideal solution for every combination:
For beginners: a compact dumbbell set (3–5 weight levels) or adjustable dumbbells – affordable, space-saving and ready to use straight away.
For strength athletes: Olympic barbell set with bumper plates and squat rack – for heavy compound exercises such as squats, bench presses and deadlifts.
For functional training & CrossFit: a combination of kettlebells, bumper plates and an Olympic barbell – maximum exercise variety for athletic training.
For rehabilitation & older adults: Lightweight neoprene compact dumbbells (1–5 kg) – gentle on the joints, comfortable to grip and available in an attractive design.
For a complete home gym: HAMMER recommends a combination of a compact dumbbell set, kettlebells in 2–3 weight categories and an Olympic barbell set with bumper plates – this covers literally all strength and functional training exercises.
What should you look out for when buying dumbbells?
Material quality: HAMMER uses high-quality cast iron, vulcanised rubber and steel throughout – no cheap alloys, no unstable welds.
Grip quality: Ergonomically shaped, slightly flanged grip with optimal grip width – standard on all HAMMER dumbbells.
Weight tolerance: HAMMER dumbbells deviate by a maximum of ±1–2 per cent from the nominal weight – a prerequisite for precise and progressive training.
Bore diameter: For Olympic training, it is essential to ensure a 50 mm bore – all HAMMER Olympic products are designed to work together and are compatible.
Storage: HAMMER offers suitable accessories such as dumbbell stands, dumbbell racks and weight plate holders for organised and space-saving storage.
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FAQ
- What is the difference between dumbbells and barbells?
Dumbbells are held in one hand and allow for unilateral, isolated training of individual muscles. Barbells are held with both hands and are suitable for heavy compound exercises such as squats, bench presses and deadlifts. HAMMER recommends combining both types of weights for a comprehensive home workout.
- Which weights should I buy for home use?
For home use, HAMMER recommends a compact dumbbell set to get you started, supplemented by kettlebells for dynamic training. If you want to perform heavy compound exercises, you’ll also need an Olympic barbell set with bumper plates and a sturdy barbell rack or squat rack.
- How heavy should dumbbells be for beginners?
Women typically start with 2–5 kg for isolation exercises and 5–10 kg for basic exercises. Men start with 5–10 kg for isolation exercises and 10–20 kg for basic exercises. HAMMER offers starter sets in exactly these weight ranges – including training guides to get you started.
- Standard or Olympic dumbbells – which is better?
Standard dumbbells (30 mm bore) are more affordable and sufficient for general strength training. Olympic dumbbells (50 mm bore) are more stable, more precise and the standard in competitive sport and professional gyms. HAMMER recommends Olympic systems for anyone who wants to train seriously in the long term – the higher initial investment pays off through durability and expandability.
- Can you train your whole body using just dumbbells?
Yes – with a complete dumbbell setup (dumbbells, barbell, kettlebells), you can effectively train all the major muscle groups: chest, back, shoulders, arms, legs and core. HAMMER also offers training plans and app support for structured full-body weight training.


