It covers a small area, but the quality is still not fixed. This is natural. Because of its small size, it is impossible to make it durable. Exercise bikes are generally safe, but they should not be overloaded. The load of a general exercise bike is below 100KG. Hehe, come to my shop sometime. I still have all the fitness equipment there, and there are many kinds of exercise bikes. Mainly for Jia he. .