Welcome to the TREKKER TKR-4000 product page, a real revolution in the world of fitness equipment that brings with it the perfect combination of cardio and strength training in one device. The TKR-4000 is a user-driven treadmill that simulates the experience of climbing stairs with 22% or 27% inclines and is equipped with advanced safety technology. The durable mechanism in the device allows you to accurately imitate the movements of a drag, which ensures a thorough training of all the muscles of the lower part of the body. Details of TREKKER TKR-4000 features: - Three training modes: Hike, Trek and Sled, for varied and focused training. - Self-propulsion system: the track operates with the power and speed of the user, without the need for electricity. - Slope: two levels of slope to increase the intensity of the training and imitate a real climbing experience. – Safe speed zones: with ten levels of speed zones for safety and customization of the workout. - No electricity required: the self-contained device provides flexibility in location and operation. The TKR-4000 is the ideal choice for those looking to challenge their endurance and strength without the need for a motorized treadmill, making it an environmentally friendly and versatile addition to any fitness space.