Lacertosus

Selektorized

Leg Extension & Curl

Quads and hamstrings in a compact station.

The Lacertosus Selektorized Leg Extension & Curl is designed to train knee extension and flexion in a single professional machine. The dual function lets you work quadriceps and hamstrings with guided motion, intuitive adjustments and selectable load.

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The product

Engineered to train the leg in full

The Selektorized Leg Extension & Curl integrates two essential lower-body movements, letting you switch from knee extension to flexion with a practical, professional configuration. The weight-stack system makes progression immediate while the guided structure helps maintain control and stability.

Muscles involved

Muscles involved — Leg Extension & Curl
  • Quadriceps
  • Hamstrings

Ideal for isolation, reinforcement and control of quads and hamstrings via guided, progressive movements.

Details

Technical specs

Code
SKZ-LEC
Category
Lower Body
Model
Weight stack Leg extension & Curl
Series
Selektorized
Use
Commercial, Professional
Class
S
Max load
134 kg
Plate weight
6.8 kg
Ratio
curl 0.5 / extension 0.9
Max user weight
150 kg
Net weight
314.1 kg
Materials
Steel, stainless steel, aluminium, various polymers, eco-leather
Colour
Black, orange
Warranty
2 years
Origin
Designed and engineered in Italy

Footprint

Dimensions engineered for professional environments

With maximum dimensions of 1351 x 1319 x 1563 mm, the Selektorized Leg Extension & Curl is designed to fit into professional weight rooms while balancing accessibility, stability and space optimisation.

Footprint — Leg Extension & Curl
L
1351mm
D
1319mm
H
1563mm

The Selektorized pillars

Built to last, designed for those who train.

Designed to fit seamlessly into demanding professional environments, the Selektorized Leg Extension & Curl combines performance, solidity and aesthetic identity in a solution consistent with Lacertosus positioning.

  • 01

    Complete training

    Lets you work both quadriceps and hamstrings with fast transitions between functions.

  • 02

    Selected load

    134 kg weight stack with 6.8 kg plates for simple, precise progressions.

  • 03

    Dedicated ratios

    0.5 ratio in curl and 0.9 in extension for load response matched to each motion.

  • 04

    Superior comfort

    Seat, backrest and padded rollers promote stability, comfort and correct execution.

  • 05

    Professional safety

    Guided motion and intuitive adjustments make the machine suitable for a range of user profiles.

Selectable weight stack.

The 134 kg weight stack enables fast, precise load selection. The 6.8 kg plates allow steady increments, while the curl 0.5 / extension 0.9 transmission ratios guarantee a response consistent with the machine's function.

  • Max load: 134 kg
  • Single plate weight: 6.8 kg
  • Ratio: curl 0.5 / extension 0.9
  • Selection: via integrated weight stack
11–134kgSelektorized
LacertosusSelektorized

Load selected

11

kg

25 LB

× 0

Pin

inserted · 11kg

slot 1

Pull the pin to choose

11kg · 25lb134kg · 295lb

Construction

High-quality materials and finishes.

  • High-strength steel frame for stability and durability in professional environments.
  • Stainless steel, aluminium and selected polymer components.
  • Eco-leather upholstery designed for comfort, durability and easy cleaning.
  • Black finish with distinctive orange details for an elegant, recognisable visual identity.
  • Carefully engineered for reliability, operational continuity and efficient maintenance.
Construction and finishes — Leg Extension & Curl

Use targets

Ideal for.

  • Commercial gyms
  • Personal trainer studios
  • Sports centres
  • Hotels & resorts
  • Corporate wellness
  • High-traffic professional facilities

Dedicated consultation

Not sure it's the right model? Talk to one of our specialists.

Book a consultation

Full service

Everything included, always by your side.

From order to first workout, every Selektorized machine comes with a dedicated service.

  • 2 years warranty

    General 2 years coverage to ensure safety, continuity and protection of your investment.

  • Professional installation

    Assembly, positioning and commissioning carried out with attention to proper configuration of the equipment.

  • After-sales service

    Dedicated technical support to ensure efficiency, uptime and fast intervention.

  • Spare parts available

    Components and spare parts available to reduce machine downtime and maintain high service continuity.

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