

Martech Dual Seated Leg Extension / Leg Curl (125 kg Pin-Select)
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Free delivery in the Benelux from € 199
Delivery time: 1 to 3 business days
Advice from Fitnessdepot
Thibaud Martens · Fitness Advisor
Ideal for: Gyms and studios looking to train quadriceps and hamstrings on a single machine
- Leg extension and leg curl in one machine
- Multi-hinge for a full range of motion
- Resistance curve tailored per exercise
Read the full advice
Why this model? Roughly five times the price of the plate-loaded Body-Solid GCEC340B (€ 625), but you change weights with a pin and the machine is built for clubs. The Smart Leg Extension / Leg Curl (€ 6,495) operates with digital resistance per kg.
Space and ceiling: Dimensions 116 x 105 x 163 cm (W x D x H), net weight 280 kg. Compact, but check the floor load capacity.
Product description
The Martech Pro Series Leg Extension / Leg Curl is a commercial dual selectorized machine that combines two leg exercises in one piece of equipment: the seated leg extension and the leg curl. This machine is part of the Martech Pro Series Dual Range, built for the busiest gym environments where equipment is used intensively day in and day out.
With this machine, you can specifically train the front and back of your upper legs. The leg extension isolates the quadriceps, while the leg curl targets the hamstrings. The multi-hinge adjustment ensures a full range of motion for both exercises, keeping tension on the target muscle throughout the entire movement. Thanks to the 2:1 and 1:1.4 gear ratios, you get a precisely tuned resistance curve for each exercise.
The pin-select weight stack goes up to 125 kg, which is more than enough for progressive strength training and for users who perform heavy leg workouts. Because you select the weight with a pin, you can switch between sets and users in seconds, which is convenient in a high-traffic environment.
The frame is constructed from laser-cut 3 mm steel with a matte black electro-powder coating. The pads are injection-molded urethane with double-stitched, customizable covers, and all moving components are entirely made of metal and resistant to intensive use. A laser-cut metal shroud shields the weight stack and protects both the machine and the user.
Suitable for: commercial gyms, PT studios, hotels, and corporate fitness facilities, anywhere equipment needs to withstand reliable and frequent use. The combination of two exercises in a single frame also saves floor space.
Why choose this machine:
- Two complete leg exercises (quadriceps and hamstrings) in one machine
- Weight stack up to 125 kg for progressive loading
- Multi-hinge adjustment for a full range of motion per user
- Robust construction from laser-cut 3 mm steel
- Lifetime frame warranty and 3 years on moving parts (standard)
- End-to-end installation by our own team, without subcontractors
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