Leg Extension Machine

Product Dimensions: 1050 x 1420 x 1620 mm 1. Target Muscles: Vastus medialis, rectus femoris, vastus lateralis, vastus intermedius, etc. 2. Main frame constructed from 150 x 50 mm flat-oval tubing; functional components use 120 x 50 mm flat-oval tubing; wall thickness: 3 mm. 3. Enclosed steel plate shroud; resistant to deformation and damage, ensuring maximum safety for the user and others. 4. Embedded extra-large display screen featuring weather updates, workout duration, indoor temperature, humidity, and customizable workout timers; the interface supports voice or vibration-activated backlighting for a more scientific workout experience (optional). 5. Guide rods made of high-hardness, high-gloss chrome-plated steel; diameter: 20 mm. 6. Weight stack consists of cold-rolled steel plates; standard weight: 80 kg (optional: 100–120 kg). 7. Adjustment mechanism features a push-style, multi-level system with precision-engraved stainless steel markings for easy and quick operation. 8. Seat and back cushions utilize a one-piece molded PU foam process to ensure shape retention; thickness: 70 mm; adjustable backrest. 9. Uses a maintenance-free, self-lubricating steel cable (diameter: 6 mm). 10. Equipped with high-quality, fiber-reinforced U-shaped nylon pulleys featuring precision bearings and anti-slip/anti-derailment designs; diameter: 110 mm. 11. Handles made of high-strength PVC with dual aluminum alloy end caps; diameter: 40 mm. 12. Floor pads made of nylon with shock-absorption and height-adjustment capabilities; thickness: 20 mm, diameter: 150 mm. 13. Frame includes instructional workout placards and safety warning labels.