Commercial-Grade Ab/Back Trainer with 120kg Capacity

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At Inpek Fitness, we’ve redefined core training efficiency. Our Ab Crunch/Back Extension machine transitions between modes in seconds using a patented quick-switch system. Designed for gyms and training facilities, this unit combines two essential workouts into a single footprint – optimizing floor space while delivering studio-grade results.

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Warranty Service
5 years: Main frame warranty
1 year: Accessories warranty

Technical Excellence in Every Detail

Inpek Fitness Specifications

Dimensions: 1620mm (L) x 1250mm (W) x 2450mm (H) – space-efficient commercial footprint

Frame Construction: 3mm Q235 carbon steel with aluminum alloy reinforcements

Weight System: 14x5kg chrome-plated steel plates (70kg standard), upgradable to 24x5kg

Safety Assurance: Overload protection bolts and emergency stop mechanisms

Built to Outlast, Designed to Impress

Inpek Fitness’ Signature Durability

3mm Q235 Carbon Steel Frame: Reinforced with flat oval piping and bread tube weight stacks to support a 120kg max load – 30% above standard commercial requirements.

Military-Grade Components: Stainless steel foot pedals, aircraft-grade alloy joints, and fiberglass-reinforced pulleys ensure zero operational wear even under daily heavy use.

Anti-Corrosion Finish: Electrostatic powder coating protects against humidity and abrasions, maintaining a pristine appearance for years.

Biomechanical Precision, Backed by Science

How Inpek Fitness Prioritizes User Performance

Adjustable Ergonomic System: Gas-assisted seat adjustments and multi-position foot restraints accommodate users from 5’0” to 6’5”, eliminating lower back strain.

180° Natural Motion Arc: A 12° angled pivot path mirrors spinal flexion/extension, isolating rectus abdominis and erector spinae without joint compression.

MC High-Rebound Foam: 2” thick cushions with double-stitched, sweat-resistant upholstery ensure comfort during prolonged sessions.

Smart Engineering for Modern Gyms

Inpek Fitness’ Commitment to Innovation

One-Touch Function Switching: Patented cam-lock technology enables mode changes in under 15 seconds – faster than traditional systems.

Scalable Resistance: Ships with 70kg (14x5kg plates), expandable to 120kg (24x5kg) to match evolving strength levels.

Why Partner with Inpek Fitness?

Your Trusted Supplier Since 1996
With over 25 years of expertise, Inpek Fitness delivers:

Lifetime Structural Warranty: Industry-leading protection for commercial operators.

Custom Branding Solutions: Laser-engrave your logo or match upholstery to gym aesthetics.

Global Compliance: CE, RoHS, and EN 957-1 certifications – seamless export readiness.

End-to-End Support: From 3D installation blueprints to bulk order logistics, we streamline your procurement process.

Integrated Training Analytics (Optional): Bluetooth-enabled sensors track reps, ROM, and force output – sync with gym management software.




Collaborate with Inpek Fitness Experts for Your Commercial Gym Projects

Looking to enhance your gym with premium equipment? Have inquiries or ideas? Complete the form below to engage with our expert team. We’ll work with you to realize your fitness facility goals efficiently and effectively.

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