Cable Conversion Kit Suits Onyx Power rack ( Rear Mounted)
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Rack-Integrated Dual Pulley Attachment for ONYX Power Racks
Turn your ONYX power rack into a complete all-in-one functional training station.
The ONYX Rear Mounted Cable System is a heavy-duty, bolt-on dual pulley attachment designed to mount directly to the rear uprights of your ONYX rack — delivering commercial-grade cable training without increasing your gym footprint.
No wasted space.
No standalone machines.
Just pure modular performance.
Built for Serious Training
This rear rack cable attachment transforms your setup into a dual adjustable pulley system with smooth, precision-guided movement and balanced resistance on both sides.
Perfect for:
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Lat pulldowns
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Seated rows
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Face pulls
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Tricep pushdowns
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Bicep curls
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Rear delt work
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Functional strength training
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Rehabilitation exercises
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Cable crossovers (with rack integration)
Whether you're building a home gym power rack setup or fitting out a commercial training facility, this system delivers full cable functionality in a compact footprint.
Compatibility
- Designed specifically for ONYX Power Racks
- Compatible with optional ONYX Smith Machine Attachment
Weight Stack
- Dual independent weight stacks
- 130 kg (per stack) total resistance
- Rear-mounted stack configuration (space-saving)
Pulley System
- Dual pulleys for balanced bilateral training
- High and low pulley capability for full range of cable exercises
- Front upright common cable system for central attachments
Cable Ratios
- 1:1 ratio for true weight loading
- 2:1 ratio for smoother resistance and advanced movement options
Construction & Materials
- Heavy-duty welded steel frame
- Commercial-grade cables and pulleys
- Precision ball bearings for smooth cable travel
- Durable matte black ONYX finish
Mounting & Integration
- Bolt-on installation to rear uprights of ONYX rack
- Designed to maintain full functionality without blocking front rack access
Warranty Information
Our goal is to supply you quality fitness equipment and all our items come with at least a one year warranty for home use. Commercial items come with a one year warranty for commercial use. Some items come with a lifetime frame guarantee and this will be specified on the product page. For full warranty please see our warranty
page.
10 weekly payments of $600
4 interest-free payments of $1,500
Buy it with
DIMENSIONS
MEASUREMENTS
MEASUREMENTS
| Cable Ratio | 2:1 |
| Pulley Diameter | 100mm |
| Weight Stack | 130kg |
| Total Height Installed | 2217mm |
| Hole Diameter | 16mm |
| Cable Load Capacity | 2000kg |
Frequently Asked Questions
Can I add a Smith Machine to this setup?
Yes. A Smith Machine attachment can be added, allowing you to build a complete, modular strength training system.
What cable ratios does the ONYX Rear Mounted Cable System use?
The system features both2:1 and 1:1 cable ratios, allowing you to switch between smoother resistance for isolation work and true weight loading for heavy compound movements.
Does it include both high and low pulley positions?
Yes. The system includeshigh and low pulley functionality, making it suitable for lat pulldowns, seated rows, face pulls, tricep pushdowns, curls, and more.
What is the common cable system on the front upright?
The front upright includes acommon cable connection point, allowing for centralised movements such as rows, pulldowns and other bilateral exercises from a single anchor point.
How heavy are the weight stacks?
Each side includes a130kg weight stack, providing serious resistance for both strength training and hypertrophy-focused workouts.
Is the modular cable system suitable for commercial gym use?
Yes. This is a commercial-grade cable system engineered for high-traffic environments. It is built with heavy-duty uprights, smooth pulley assemblies, and reinforced mounting points, making it suitable for commercial gyms, performance facilities, physio clinics, and strength studios.
Where are the weight stacks positioned?
The weight stacks arerear mounted, sitting behind the rack to maximise floor space and maintain a clean front training area.
Does the cable system interfere with power rack functionality?
No. The modular cable system is designed to integrate seamlessly with the Onyx power rack without restricting squats, presses, or other free weight lifts. Users can transition between barbell training and cable exercises without removing components or reconfiguring the rack.
Can the modular cable system be added later or upgraded?
Yes. This system is fully modular and can be added to an existing Onyx power rack or upgraded over time. Additional attachments, pulley configurations, and accessories can be added as training needs evolve, making it a future-proof solution for growing gyms.
Is this compatible with all racks?
This system is specifically designed to suit theONYX Power Rackfor seamless bolt-on integration and structural stability.
More questions? See our full FAQ
