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-Adam Gibson
Steelflex PL2400 Ab Crunch/Back Extension
Strengthen your core with the Steelflex PL2400 Ab Crunch / Back Extension Machine
The Steelflex PL2400 Ab Crunch / Back Extension Machine is a dual-function core trainer designed to develop both the abdominal muscles and lower back in one compact, efficient machine. By combining abdominal crunch and back extension exercises, this plate-loaded unit provides a complete torso workout while keeping the user comfortably seated and properly supported.
Built with heavy-duty steel construction, adjustable foot braces, and smooth linkage movement, the PL2400 delivers controlled resistance and reliable performance for commercial gyms, training studios, and serious home gyms.

Why Choose the Steelflex PL2400 Ab Crunch / Back Extension Machine
Dual Function Core Training
The PL2400 combines two essential core exercises:
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Abdominal Crunch for the rectus abdominis and obliques
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Back Extension for the lower back and thoracolumbar fascia
This allows users to train both sides of the core without needing multiple machines.
Adjustable Lower Movement Arm
A lateral adjustment pin allows quick and easy positioning of the lower movement arm, helping users switch between exercises smoothly.
Adjustable Foot Braces
The adjustable foot braces allow users to position their body correctly for different torso rotations and exercise variations.
Seated Core Training Position
The seated design provides stability and comfort, allowing users to focus on controlled movement and proper muscle engagement.
Improve Stability and Core Strength with the Steelflex PL2400
A strong core is essential for posture, balance, and overall athletic performance. The Steelflex PL2400 Ab Crunch / Back Extension Machine helps strengthen key muscles that support everyday movement and reduce the risk of lower-back discomfort.
Its biomechanically designed motion helps users perform abdominal and lower-back exercises with proper alignment, making it ideal for both strength training and general fitness routines.
Steelflex PL2400 Ab Crunch / Back Extension in a Nutshell
Dual-Exercise Machine – Performs abdominal crunches and back extensions.
Adjustable Movement Arm – Allows quick transitions between exercises.
Adjustable Foot Braces – Provides proper fit for different users.
Plate Loaded Resistance – Supports progressive core strengthening.
Heavy-Duty Steel Construction – Built for commercial durability.
Steelflex PL2400 Ab Crunch / Back Extension Specifications
Brand
Steelflex
Model
PL2400
Machine Type
Plate Loaded Ab Crunch / Back Extension Machine
Frame Construction
Heavy-duty steel frame
Frame Finish
Electrostatically applied powder coat finish
Black exterior with vermillion red texture
Upholstery
2" rebonded foam + 10 mm high-density foam
CGPC PVC cold latex leather with double-stitched upholstery
Handgrips
Dipped PVC handles
Bearings
Industrial-rated sealed bearings at pivot points
Welding
Continuous welds at all joints
Maximum User Weight
264 lbs (120 kg)
Dimensions
51.9" × 46.2" × 49.2"
(132 × 117.6 × 125 cm)
Olympic weight plates not included.

Warranty
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15-Year Frame Warranty
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2-Year Bearings Warranty
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6 Months Upholstery & Grips
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1-Year Parts Warranty
Ideal For
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Commercial gyms
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Personal training studios
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Athletic training centers
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Rehabilitation facilities
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Home gyms
The Steelflex PL2400 Ab Crunch / Back Extension Machine provides an efficient and durable solution for strengthening the core and lower back while saving valuable floor space.
Need Help Choosing Strength Equipment?
Email us:
📧 info@dumbbellsdirect.com
Call us:
📞 800-931-1667
Our equipment specialists can help you choose the right machines to complete your strength training setup.