Stairmaster Twistlock Adjustable Dumbbells - 2-20kg Features_Spin Console transmitting your workout data to

transmitting your workout data to your cell phone or tablet at the same time it is sending the information to the class projection system and any other Bluetooth® device you want

Increase lower body dynamic strength by adding resistance to drills and training workouts

you’ll immediately understand how it works

video and USB charging station allows users to display personal content while charging smartphones

Stairmaster Twistlock Adjustable Dumbbells - 2-20kg Features_Spin Console transmitting your workout data toStairmaster Twistlock Adjustable Dumbbells Free Delivery With their unique design, you can create a dumbbell weight from 2kg up to 20kg meaning they can be used for a wide range of exercises for users of all levels. A smooth adjustment mechanism that is a twist of the handle when they are in the cradle, gives you ease of use rather than knobs, catches or levers. Replacing the dumbbell back in the cradles allows you to then select the weight you want