【Adjustable resistance】 Rotate the handle to adjust the resistance effortlessly, with a range of 22-440 lbs. All you have to do is rotate the handle to change the resistance - faster than changing gears in the car! | 【Durable material】 Double-layer steel tube is strong and durable, made of strong material for a more realistic training experience. This machine supports up to 440 pounds. 【Fixed Triangular Structure】 The central triangular design ensures exceptional stability during exercise, providing a safer structure and scientific engineering. |【Safe fit】 Advanced precise bounce control eliminates dangerous bounce and safety risks. Train more strongly with confidence – no injuries, only smooth and safe resistance. |【Easy Storage】 Bottom closure clamp simplifies storage and transportation. When folded, the user-friendly rear bezel design is securely mounted in place.