Leg Curl/Extension Combo ST111 — professional equipment for thigh muscle training
- ST111 is a modern strength machine designed for training the front and back of the thighs — quadriceps and hamstrings. It is an indispensable piece of equipment for any commercial gym, ensuring comprehensive leg development.
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Leg Curl/Extension Combo ST111 — professional equipment for thigh muscle training
ST111 is a modern strength machine designed for training the front and back of the thighs — quadriceps and hamstrings. It is an indispensable piece of equipment for any commercial gym, ensuring comprehensive leg development.
The device is suitable both for athletes’ training and for rehabilitation. It is widely used in sports medicine for prevention of musculoskeletal disorders and fat reduction around the thighs.
The machine is equipped with a adjustable support roller, which can be adapted to the user’s leg length. Additionally, the lever arm rotation angle can also be adjusted, allowing full customization to individual preferences and comfortable training.

Key features:
- Commercial use — ideal for professional gyms and fitness clubs
- Versatile training — development of both quadriceps and hamstrings
- Rehabilitation use — prevention and support in the treatment of musculoskeletal disorders
- Adjustable support roller — adaptation to user’s leg length
- Adjustable lever rotation angle — possibility of individual settings
- PU upholstery — high-quality synthetic leather resistant to abrasion
- Double-layer foam — resistant to shrinking and deformation
- Stable steel construction — profile 60 × 60 mm, thickness 2.5 mm
- Powder coating — durability and corrosion resistance
Technical specifications:
| Parameter | Value |
|---|---|
| Model | ST111 |
| Line | ST |
| Load type | weight stack |
| Weight increment (kg) | 5 |
| Purpose | commercial |
| Dimensions (L × W × H) (mm) | 1810 × 900 × 1620 |
| Frame profile (mm) | 60 × 60 |
| Profile thickness (mm) | 2.5 |
| Product weight (kg) | 217 |
| Weight stack (kg) | 105 |
| Max. user weight (kg) | 150 |
| Exercise type | curl / extension |
| Muscle groups | legs (quadriceps and hamstrings) |
| Upholstery | high-quality synthetic leather (PU) |
| Padding | double-layer polyurethane foam resistant to shrinking and deformation |
| Coating | powder-coated with electrostatic spray method |
| Delivery | assembled |
| Weight stack protection | - |
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The professional ST111 is a multifunctional leg machine that combines safety, comfort, and maximum training results in any commercial gym.










