1.The tube of body frame is a kind of high-quality, high-strength and large cross-section steel tube with 70*130mm ;
2. Resistance passing system adopts steel cable and high wear- resistant nylon pulley;
3. The design of cushion follows ergonomics;
4. The height of cushion adopts the damping cylinder step-less regulation;
5. Double guard boards can effectively protect the users and others.