1.Long Service Life: The unicycles for adults is made of plastic, rubber, and manganese steel with the paint spraying process, making the product sturdy, rustresistant, and wearresistant, thus ensuring a long life. 2.Adjustable Height: The adjustable height (28.7433.46in) of the saddle can meet the needs of people of different ages (560 years old) and heights (4.595.41ft). 3.Thoughtful Design: The quickrelease clamp allows for easy height adjustment and firm fastening. The mute bearing provides a noiseless comfortable riding experience. The aluminum alloy rim is sturdy. Its lightweight (8.99 lbs) allows you to easily carry it to campgrounds, city parks, or other places. 4.Strong and Stable: The large wheel (17.72in) with protruding points, antis pedals, and manganese steel fork ensure good stability and strong loadbearing capacity (143.3165.35lbs), which can greatly improve your riding .