Smooth and Fast: the ball bearing system avoids the twisting, winding or bending like other fitness ropes, it ensures stable and relaxed rotation, as our skipping rope can bear heavy load, which brings your a perfect exercise of skipping rope, also provides the best fluency for elite fitness professionals. Sports Fitness: our exercise skipping rope can shape your cardio endurance, stamina and speed, while improving the muscle tension of your whole body. A great choice for boxing, MMA and cross training.