StrongLock 4.0 dumbbell set

Your smart dumbbell system

The StrongLock 4.0 is the perfect solution for anyone who wants to save space and still train effectively. With just one pair of dumbbells, you can cover the entire weight range from 4 to 25 kg and adjust the resistance in seconds. You also save valuable space in your home gym.

Weight adjustment in seconds

The Quick Select technology allows you to adjust your weight in a flash. Simply turn the dumbbell handle - without the hassle of repositioning or screwing.

Product highlights

Convince yourself of all the features of the StrongLock 4.0!

Clever design

The weight discs that are not needed are stored in the cleverly designed holder and simply slide back into the barbell when in use.

Discover your favourite workout

With HAMMER Workouts, we constantly offer you new and motivating classes with your StrongLocks. Work out together with our expert trainers and achieve your individual fitness goals in 10 to 50-minute workouts. Whether smartphone, tablet or laptop, no additional subscription required.

Back-friendly workouts

The ergonomically designed stand not only protects your back when picking up and putting down the dumbbells, but also ensures a tidy training environment.

Customised for you

Whether individually, in pairs or just the stand. The StrongLocks 4.0 are available in all variants and can also be added to and retrofitted perfectly at a later date.

Strengthen the entire body

Thanks to the adjustable weights, you can seamlessly adapt exercises for your legs, arms, shoulders, back and core. Whether squats, curls or shoulder presses - the StrongLock offers you a comprehensive workout.

Train in a team

Let our experienced trainers inspire and motivate you during your workout. Our friendly team of trainers is made up of experienced personal trainers, physiotherapists and sports physicians.

Safely stowed away

The sturdy racks offer you a safe and convenient way to store the dumbbells between your exercises and provide additional protection.

Durability guaranteed

The combination of high-quality steel and hard-wearing nylon makes the StrongLock 4.0 extremely robust and hard-wearing.

Ergonomically shaped

Designed for a natural hand position, the dumbbell handles reduce hand fatigue and allow you to use them for longer without discomfort.