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The SingleExx

Meet SingleExx. Leg Day Reimagined.

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LegExx and LegFlexx: Our Elite Single-Exercise Machines

SingleExx is our line of single exercise machines that use science-backed flywheel technology to supercharge isolated hamstring and quad training. Comprised of the LegExx and LegFlexx devices – SingleExx optimizes leg extensions and leg curls for strength, hypertrophy, and rehabilitation.

Offering variable resistance, enhanced capacity for eccentric overload, precise data tracking, and adjustable ROM in a uniquely mobile package – the SingleExx line let’s you maximize strength and hypertrophy, monitor precise training data, rehab or prevent injuries, and enhance training efficiency.

  • Tailored to You

    Whether you want max power output and weighted stretch or need to gently rehab an injury – variable resistance and adjustable ROM guarantee perfect reps for any outcome.
  • Eccentric Overload

    With built-in potential for Eccentric Overload, the SingleExx devices build more leg strength and muscle while also helping to prevent hamstring and knee injuries.
  • Data-Driven Results

    Whether you are training yourself, a patient, or an entire team – kMeter compatibility lets you easily track and compare training data to optimize results.
  • Mobile and Lightweight

    With no weight stack, the SingleExx devices are uniquely easy to move and reposition – letting you seamlessly adjust your space for maximal training efficiency.

SingleExx Devices

LegExx Machine with flywheel

LegExx

The LegExx System comes with everything you need to successfully incorporate flywheel training and its multitude of benefits in your quest to strengthen the quadriceps femoris muscles.

$ 7,490

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LegFlexx Machine with flywheel

LegFlexx

The LegFlexx is a one of a kind leg curl machine based on scientifically proven principles, packaged with free flywheels for resistance as well as a feedback module for monitoring progress in real-time and over the long term.

$ 7,490

See Product

Track and Optimize

Monitor performance with the built-in kMeter & app
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Compare models

Compare models
  • LegExx
  • LegFlexx

LegExx

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LegFlexx

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  • Quadricep Isolation

  • From: $ 7,490

  • Hamstring Isolation

  • From: $ 7,490

  • Colors

  • Space Grey

  • Colors

  • Space Grey

  • Dimensions (W,D,H)

  • 80 cm (31.5″)

  • 108 cm (42.5″)

  • 110 cm (43.3″)

  • Dimensions (W,D,H)

  • 80 cm (31.5″)

  • 95 cm (37.4″)

  • 115 cm (45.3″)

  • Required Dimensions During Use (W,D,H)
  • 100 cm (39.4″)

  • 139 cm (54.7″)

  • 110 cm (43.3”)

  • Required Dimensions During Use (W,D,H)
  • 100 cm (39.4″)

  • 145 cm (57.1″)

  • 115 cm (45.3”)

  • Inertia

  • 0.005-0.28 kgm²

  • Factor x56

  • Fits All Flywheels

  • Inertia

  • 0.005-0.28 kgm²

  • Factor x56

  • Fits All Flywheels

  • Material & Weight

  • Steel Chassis

     

  • 95 kg (210 lbs)
  • Material & Weight

  • Steel Chassis

     

  • 103 kg (227 lbs)

SingleExx Combo

Get the best of both worlds
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Maximized Output

With Variable Resistance

Seated Positioning

Science-Backed Growth
SingleExx Combo in a gym
SingleExx Combo in a gym

SingleExx Exercises

Discover Isolated Exercises for the Whole Lower Body

  • LegExx Regular Leg Extension

    LegExx Leg Extension

  • LegFlexx Leg Curl

  • LegExx Single-Leg Extension

  • LegFlexx Single-Leg Curl

  • LegExx Self-Assisted

  • LegFlexx Assisted Overload

  • LegExx Single-Leg Extension

  • LegFlexx Single-Leg Overload

  • LegExx 2-1 Overload

  • LegExx Hip Thrust

    LegExx Hip Thrust