Box Step© Optimus Series Dual Leg Curl / Extension

Box Step© Optimus Series Dual Leg Curl / Extension is a dual-function unit that allows users to effectively train both the quadriceps and hamstring/glute muscle groups. Ergonomically designed for user comfort and stability, this machine provides smooth movement and secure adjustability, making it ideal for facilities aiming to maximize space without compromising exercise variety.

It is part of the Box Step© Optimus Series, combining the biomechanical benefits of plate-loaded machines with the convenience of selectorised weight stacks.

Key Features of the Box Step© Seated Leg Curl / Extension:

• Supports two exercises: leg extension and leg curl

• Targets entire quad, hamstring, and glute muscle groups

• Thick padded rollers for added comfort and user stability

• Ergonomically designed for improved posture and tension reduction

• Urethane-protected counterbalance weights and handles

• Quick and easy seat adjustment mechanisms

• Clear exercise instructions and muscle placards

• Fully adjustable to suit users of all sizes

• Front and rear Perspex shrouds for user safety

• Durable matte black electro-plated powder coat finish
  
  

  Product Specification:

  Dimensions (L x W x H): 118 x 138 x 157 cm

  Machine Weight: 172 kg

  Weight Stack: 100 kg

  Frame: 50 x 100 mm heavy-gauge flat oval steel tubing

  Finish: High-quality, two-coat electrostatic powder coating

  Adjustments: Spring-loaded, color-coded aluminum push-pull pins

  Cushions: High-density foam with double-stitched fire-retardant vinyl

  Grips: Non-absorbing PVC with aluminum collars

  Frame Protection: Heavy-duty PVC foot guards

  Selectors: Magnetic pin with coiled lanyard

  Cables: 5 mm coated steel

  Pulleys: Nylon with glass-fiber reinforcement and deep V-groove

  Seat Adjustment: Quick release with numbered positions

  Warranty:

  Frame: 7 years (excluding coatings)

  Components: 2 years (guide rods, plates, bearings, pulleys)

  Other Components: 1 year (linear bearings, switches, cables)

  Upholstery & Accessories: 6 months