Excellent quality and impeccable customer service. I’ve already purchased two kettlebells, one 24 kg and another 32 kg, and now I’m going for the 36 kg one.
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IRONSIDE Infinity Dual Leg Curl & Extension
Sale price
$2,647.89
Regular price
$3,549.99
Unit price
/
Unavailable
Estimated shipping: $349
FREE pickup at our Dorval, QC warehouse
Taxes calculated at checkout.
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Shipping starting October 10, 2026
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IRONSIDE FITNESS CANADA | SKU:
A081020504001
IRONSIDE Infinity Dual Leg Curl & Extension
Sale price
$2,647.89
Regular price
$3,549.99
Unit price
/
Unavailable
IRONSIDE Infinity Seated Leg Curl & Extension Machine — Advanced Dual Leg Training
The IRONSIDE Infinity Seated Leg Curl & Extension Machine is a high-performance dual-function machine designed to deliver comprehensive and efficient leg workouts. Perfect for strengthening the quadriceps through leg extensions and targeting the posterior chain with leg curls, this equipment is essential for commercial gyms and personal training spaces.
Robust and Durable Construction
Built with a sturdy 50 x 100 x 3 mm square steel frame, this machine is engineered to withstand intense training sessions. The seats and pads are cushioned with high-density polyurethane foam (180 kg/m³), offering ergonomic and comfortable support even during prolonged workouts.
Smooth Movement and Adjustable Resistance
Equipped with premium aluminum pulleys and bearings, the machine features a 1:2 pulley ratio, ensuring smooth, controlled, and precise motion. The combined 100 kg weight stack allows users to easily customize resistance levels to match rehabilitation programs or intensive strength training goals.
Ergonomic and Customizable Comfort
The IRONSIDE Infinity Seated Leg Curl & Extension Machine allows adjustment of starting positions and resistance levels, making it versatile and comfortable for users of all sizes and experience levels.
Key Features
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Dual Functionality: Enables leg curls and leg extensions for comprehensive quadriceps and posterior chain training.
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Sturdy Frame: Constructed with 50 x 100 x 3 mm square steel for long-lasting stability and durability.
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Ergonomic Seating: Cushioned with high-density polyurethane foam (180 kg/m³) for maximum comfort.
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Precision Pulley System: Aluminum pulleys with 1:2 ratio for smooth and accurate movement.
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Adjustable Resistance: 100 kg weight stack to personalize intensity according to user needs.
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Rehabilitation and Strength Training: Ideal for versatile use in gyms and therapy programs.
The IRONSIDE Infinity Seated Leg Curl & Extension Machine is the perfect choice for those seeking a reliable, versatile, and durable leg training machine capable of adapting to various training needs and levels.
Complete your leg routine by pairing it with the Dual Leg Curl or reinforcing quad activation through the Leg Extension.
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Customer Reviews
Overall rating: 4.9 / 5 from 164 reviews.
like it
Olympic Barbell 45 lb - 700 lb Capacity Black Cerakote - IRONSIDE
Easy installation, very high-quality materials, and a very well-built rack.
Olympic Barbell & Plate Set - Phoenix Pink 35 lb + 260 lb - IRONSIDE
Easy to install, with very high-quality materials. The rack is very well made.
Excellent machines. I would definitely buy another package again.
Excellent quality and great sales service!
Very solid, well-built, and functional.
Perfect for my gym
Excellent
LITE Home Gym Package - Rack, Barbell & Weight Plates - IRONSIDE
The combination of a conventional machine and the pulley system allows for a wide variety of exercises. Excellent materials and build quality. A great addition to a home gym.
bonne qualité
It’s very complete, and I really like the rack.
Excellent product and very exclusive.
Olympic Barbell 45 lb - Fullpower, 1,000 lb Capacity - IRONSIDE
As soon as I unboxed it, I could tell it was high quality. I was amazed by the price, especially for such a special barbell!
Good quality
The best value for the price! I absolutely love it.
The build quality and aesthetics are excellent. It has great stability, and I’m very happy with the product!
Good product
It’s a very user-friendly and easy-to-use piece of equipment. The members are very satisfied with its benefits.
Very good machine. The only thing I wasn’t completely impressed with was the display, but for the price, the treadmill is perfect for all types of running workouts.
The treadmill is good quality, I recommend it, and I got it at a great price. The only downside is that it took almost a month to arrive. I suggest improving the logistics and shipping process, especially since this is the third time I’ve purchased a product from you.
Excellent purchase!! It’s a high-quality product at a great price. I highly recommend it 100%.
fast delivery, good communication with the customer team
good quality platform
like it
I’m new to purchasing workout equipment, so I researched different options and chose this brand because of the great reviews. Now I can confirm that it was a great purchase. I’ve been using my dumbbells for a month, and the quality everyone talks about is definitely real. They motivate me to keep working toward my goals, and I’m very happy with my purchase.
love my combo pink bar and plate
Olympic Barbell & Plate Set - Phoenix Pink 35 lb + 260 lb - IRONSIDE
Very good equipment and excellent quality.
They’re easy-to-handle dumbbells, and being adjustable makes it easy to work out your entire body with different weights.
Very easy to assemble, although some of the assembly pieces were slightly bent but they replaced it after I contacted them
You can feel the quality of the equipment in every workout.
Excellent material and equipment, I would definitely buy it again.
perfect combo for me
Best deal find on internet from Canadian company, fast delivery, incredible customer service. Thanks Ironside
Good 👍
good Canadian brand, happy to have it
Olympic Barbell & Plate Set - Fullpower 45 lb + 240 lb - IRONSIDE
Excellent quality and customer service. 1000% recommended!
I absolutely love this resistance band! The fabric is soft, it provides excellent resistance for exercises like hip abductions, and the design is amazing. 10/10!
Good band, different resistance, perfect for my workout
nice