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Steelflex Ab Curl and Back Extension JGAB900

Current price $3,833.00
$3,833.00 - $3,833.00
Current price $3,833.00
Original price $4,600.00
Original price $4,600.00 - Original price $4,600.00
Original price $4,600.00
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The JGAB900 Ab Curl and Back Extension by Steelflex


These commercial grade machines are built with sleek oval tubing and an eye-popping red and black color scheme. They are designed to make a statement in your facility. Perfect for training studios, HOA's, Fire Departments, Police Departments, Community Centers, Colleges, Universities, Hospitality and more!




STEELFLEX JGAB900 FEATURES

  • Mainframe:
    • 11 Gauge Ø101.2 × 3T Low Carbon Steel Round Tubing
    • 12 Heavy Gauge 50 × 75 × 2.5T Steel rectangle Tubing
    • 11 Gauge 40 × 80 × 3T Steel Oval Tubing
    • 13 Gauge 50 × 100 × 2T Steel Oval Tubing
  • Frame Finish: Two-coat powder process, electrostatically applied powder coat finish, Black Exterior / Crimson Red Texture
  • Handgrips: Dipped PVC Handle

  • Upholstery: 2” Rebonded Scrap Foam + 10mm high density foam with CGPC PVC cold latex leather and durable double stitched upholstery
  • Driving System: Cable
  • Cables: 7 × 19 Carbon steel, tensile strength of more than 2090 lbs
  • Shroud:
    • 1T delicate steel safety cover
    • 3T acrylic delicate safety cover



STEELFLEX JGAB900 TECH SPECS

  • Weight Stack: Low carbon steel weight plates for antirust, lower noise and durable operation
  • Standard Weight Stack: 215 lbs. SWS - 10 lbs. × 20 pcs + 15 lbs. top plates
  • Dimensions: 42" × 53" × 66"




Steelflex Ab Curl and Back Extension JGAB900 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.

Steelflex Ab Curl and Back Extension JGAB900 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.

Steelflex Ab Curl and Back Extension JGAB900 Customer Reviews

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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