Description
TKO Seated Leg Extension – 6051
Say goodbye to discomfort and poor form during leg day with the TKO 6051 Seated Leg Extension, designed for durability, precision, and a perfect fit for every user.

Struggling to find a leg extension machine that accommodates all users while delivering smooth and effective performance? The TKO Seated Leg Extension 6051 is the solution.
With 360° adjustable ankle rollers and an automatic locking latch back pad, this machine provides a fully customizable fit to support proper alignment and range of motion.
Built with 11-gauge steel construction, it’s strong enough to handle intense use in light commercial gyms and fitness clubs. Convenient starting position handles and a 330 lb max load capacity make this machine ideal for targeting and strengthening the quadriceps with confidence and comfort.
Features
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360° Adjustable Leg Pads
Ensures a personalized fit for different heights and leg lengths. -
Automatic Back Pad Adjustment
Easily operated with one hand for maximum convenience and alignment. -
Convenient Starting Position Handles
Allows users to safely and easily set up for each workout. -
11-Gauge Steel Construction
Durable frame designed for long-lasting use in commercial environments.
Specifications
- Max Load Capacity: 330 lbs
- Dimensions: 50″ x 46″ x 39″
- Weight: 150 lbs
- Frame Color: Matte Black
- Upholstery Color: Black
What Our Experts Think
The TKO Seated Leg Extension (6051) is a premium strength-training machine designed to isolate and develop the quadriceps with precision and comfort. Here’s why it’s a top choice:
- Heavy-Duty Steel Frame: Ensures maximum stability and durability, making it ideal for commercial gym settings.
- Ergonomic Seat & Back Pad: Provides optimal support and comfort, reducing strain on the lower back.
- Adjustable Leg Pad & Range of Motion: Customizable to fit users of all sizes, ensuring a proper and effective workout.
- Smooth Plate-Loaded or Selectorized Resistance: Delivers consistent and controlled movement, maximizing muscle engagement.
- Compact, Space-Efficient Design: Perfect for gyms, training facilities, and high-end home setups.
Q&A
Q: What is the TKO Seated Leg Extension – 6051?
A: The TKO 6051 is a commercial-grade strength machine designed to isolate and strengthen the quadriceps with smooth, controlled leg extension movements.
Q: What muscles does it target?
A: It primarily works the quadriceps, helping improve lower body strength and endurance.
Q: Is this suitable for commercial gyms?
A: Yes, its durable construction and ergonomic design make it ideal for fitness centers and training facilities.
Q: Does it have an adjustable resistance system?
A: Yes, it includes a built-in weight stack for easy resistance adjustments to accommodate different fitness levels.
Q: Why choose the TKO Seated Leg Extension – 6051?
A: It provides a stable and effective way to build leg strength, making it a great addition to any strength training program.
Maintenance Tips
- Inspect and Tighten Bolts: Regularly check and secure all fasteners to maintain structural stability.
- Lubricate Moving Parts: Apply a silicone-based lubricant to pivot points and guide rods for smooth motion.
- Check Cables & Pulleys: Inspect for frayed cables or worn pulleys and replace immediately if damaged.
- Clean and Protect Upholstery: Wipe down seat and leg pads with a mild cleaner to prevent wear and tear.
- Test Weight Stack & Adjustments: Ensure selector pin engages properly and that the weight stack moves smoothly.
- Monitor Foot Pad Condition: Check for cracks or excessive wear on rollers and padding, replacing as needed.
- Keep Floor Area Clear: Maintain a clutter-free workout space to prevent accidents.
- Follow Manufacturer’s Guidelines: Use within recommended weight limits and settings to ensure longevity.
Reviews
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