Skip to content
Call for Best BodyKore Price

BodyKore Isolation Leg Extension Leg Curl GR639

$3,499.00
$3,499.00 - $3,859.00
Current price $3,499.00
Original price $3,499.00 - Original price $3,859.00
Original price
Color: Silver
Size: 220lb Stack
Free Shipping Icon
Free Shipping, Always
Ships in 4-6 business days via LTL/Freight with Curbside Delivery. Click here to learn more.
Customer Reviews Icon
Trusted by 10,000+ Customers
From first-time buyers to full gym builds — see how we’ve delivered.
Flexible Payments Icon
Pay How You Want
Credit card, Shop Pay, PayPal, Bread, HSA/FSA with TrueMed and more!
Contact Us Icon
Talk to a Real Person
Building out a gym? Don’t guess. Call or text (844) 777-9754 or message us — we’ll help you get it right.

View all BodyKore

BodyKore Isolation Leg Extension Leg Curl GR639 – Dual-Leg Precision

Commercial selectorized leg extension and leg curl combo with adjustable ergonomics — built for high-traffic COMMERCIAL GYMS

The BodyKore Isolation Leg Extension / Leg Curl GR639 is a versatile lower-body station designed to train both the quadriceps and hamstrings with smooth, guided resistance. Built for commercial gym floors, this dual-function machine helps members perform consistent, biomechanically sound reps—without the setup complexity of free weights.

Featuring an interchangeable combo design, the GR639 lets users switch between leg extensions and leg curls in one unit. With a 220 lb selectorized weight stack (upgradeable to 340 lbs), multiple starting positions, and a 6-point adjustable seat, it accommodates users of all sizes while delivering full muscle contraction and proper joint alignment.

If your facility wants maximum leg-training variety in minimal space, the GR639 is a proven Isolation Series essential.



BodyKore GR639 Highlights

  • Commercial dual-function leg extension and leg curl machine
  • Interchangeable combo unit saves space while training quads and hamstrings
  • 220 lb weight stack standard, upgradeable to 340 lbs
  • Angled pads and ideal pivot location promote full contraction and alignment
  • Adjustable seat depth and seat angle for personalized fit
  • Multiple starting positions for controlled range of motion
  • 3.5″ oval rolled steel frame rated over 1000 lbs
  • Overall Dimensions: 68″ L × 50″ W × 65″ H

Buy Your BodyKore Isolation Leg Extension Leg Curl GR639 Today

BodyKore Isolation Leg Extension Leg Curl GR639


BodyKore GR639 Key Features

Two Essential Leg Movements in One
Switch between leg extension and leg curl training on a single station—ideal for strength floors, rehab programs, and efficient leg days.

Optimized Biomechanics
Angled pads and a well-placed pivot point help users maintain proper alignment and achieve stronger quad and hamstring contractions.

Adjustable Seat Depth & Angle
Dial in the correct fit for different body sizes to improve comfort, leverage, and consistent rep quality.

Heavy-Duty Commercial Frame
Built with 3.5″ oval rolled steel tubing rated over 1000 lbs for durability in high-traffic commercial environments.

Multiple Starting Positions
Set preferred start points to control range of motion and support safe progression for beginners through advanced users.

Adjustable Thigh Roller
Helps keep users securely positioned while improving leverage and comfort during leg curls and extensions.

Selectorized Resistance
Includes a 220 lb precision-milled steel weight stack, upgradeable to 340 lbs for stronger member populations.

Facility-Friendly Details
Durable powder-coated finish plus an integrated cup / phone / key holder for added member convenience.


BodyKore Isolation Leg Extension Leg Curl GR639 Specifications

Model / SKU
GR639 Leg Extension / Leg Curl

Category
Selectorized Leg Extension & Leg Curl Machine

Dimensions
68″ L × 50″ W × 65″ H

Footprint
Approximately 24 sq. ft.

Machine Weight
582 lbs

Frame
Rolled Steel Oval Tubing

Frame Color Options
Black or Silver

Weight Stack
220 lb Stack: (7) x 10lb plates, (10) x 15lb plates
340lb upgrade adds (8) x 15lb plates to the stack

Adjustability
6-Point Seat Adjustment, Multiple Start Positions

Intended Use
Commercial Gyms & Training Facilities


BodyKore Isolation Leg Extension Leg Curl GR639 Manuals and Assembly Info




Most of our equipment requires some level of assembly, and many customers choose to handle this themselves using the included manual.

Assembly Services: We partner with installers who can assist with in-home or commercial setup. Learn more.

Need a quote? Contact us at info@strengthwarehouseusa.com or call +1 (844) 777-9754.

BodyKore Isolation Leg Extension Leg Curl GR639 Warranty

Every product we sell at Strength Warehouse USA is brand new and backed by the full manufacturer’s warranty. We’re an authorized dealer for every brand we carry, so your purchase is fully protected.

Have a question about warranty coverage before you buy? Just reach out — we’re happy to walk you through the details.

BodyKore Isolation Leg Extension Leg Curl GR639 Customer Reviews

Let’s Talk

Build a Space Worth Training In


From garage gyms to full-scale commercial builds, we help you get the right equipment, layout, and support — no fluff, just results.

  • Proven to Deliver

    Over 10,000 customers served — from first-time home gym owners to major commercial builds.

  • Built to Fit

    No cookie-cutter setups. We help tailor the right layout, brand mix, and delivery plan for your goals.

  • Everything You Need, Nothing You Don’t

    We’ll tell you what’s worth it, what’s overkill, and what’ll actually make a difference in your training.

  • Straight-Up Support

    We don’t disappear after checkout. You get updates, help, and a real rep you can reach.

“My experience with Strength Warehouse USA was exceptional. They delivered on time, communicated clearly, and helped me through every step of the setup.”

- Garfield B., Apr 2025

“We just set up our equipment! Everything came well-packed and quicker than expected. Customer service was fantastic throughout.”

- Patricia P., Mar 2025

“Super fast shipping, personal and fantastic service. Highly recommend. If I need anything else, I’ll be coming back.”

- Aslyn V., Nov 2024

“Great communication, timely updates, and a team that clearly knows their stuff. Strength Warehouse was easy to work with from start to finish.”

- Jason D., Aug 2024

Build Your Dream Gym — Contact Us

“My experience with Strength Warehouse USA was exceptional. They delivered on time, communicated clearly, and helped me through every step of the setup.”

- Garfield B., Apr 2025

“We just set up our equipment! Everything came well-packed and quicker than expected. Customer service was fantastic throughout.”

- Patricia P., Mar 2025

“Super fast shipping, personal and fantastic service. Highly recommend. If I need anything else, I’ll be coming back.”

- Aslyn V., Nov 2024

“Great communication, timely updates, and a team that clearly knows their stuff. Strength Warehouse was easy to work with from start to finish.”

- Jason D., Aug 2024