EARTH 2. 0 JUMP ROPE HEAVY WEIGHTS PACK - The standard weights are not heavy enough for you? Level up, we added another option that allows you to increase the weight of your Earth 2. 0 up to 1, 5 kg... It will makes any jump rope workout crazy! 2 HEAVY WEIGHTS PACK FOR THE EARTH 2. 0 JUMP ROPE - Includes 2 weights of 200 g for the Earth 2. 0 jump rope. SHOULDERS AND FOREARMS MUSCLE INCREASE - If you were looking for improving your grip or work on your shoulders, we found a way for you to achieve those goals with heavier weights to add on your Velites jump rope.