With metal structure and stable fastening. Ideal for training cycling professionals or fitness enthusiasts indoors. With the possibility of adjusting the level of difficulty depending on the training to be performed. Perfectly imitates cycling in mountainous terrain and maximum difficulty, to train more efficiently the muscular structure of the body. Suitable for medium and large bicycles. The metal structure provides maximum and stable support even after numerous strains during training. Perfect equipment for toning and advancing to the highest levels of training practice.