I wanted to buy the tapes to replace my exercises I've done with my dumbbells. So I initially bought the black band. It is great for the triceps over the shoulder and the side lift (arm sideways at 90 ° stretch), unless I take it twice. For the biceps, it's too weak. I ordered to the golden band, but again was too strong then what I've resorted to the silver ribbon. Since the voltage is already quite strong here (I suppose the band also twice), I have bought a handle. In principle, you can still carry out many more exercises with the tapes, but when combined with weight exercises give me completely these 3 exercises with 2 tapes.
Differences to the dumbbell is the linear increase in the voltage. In the case of a dumbbell, the force is constant over the path, that is, at every point of the movement is the same force. In this band the power increases linearly with the road. At first a bit of getting used to, I think that the training effect is thereby somewhat higher. That tells me at least my muscles. The real genius, however, is that you have your gym at an unbeatable price ever in this bag. Dumbbells were yesterday.