ONYX Smith Machine Attachment
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AUS & NZ
AUS & NZ
AUS & NZ
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Here are the product benefits, written tight enough to use as a bullet list or break into sections on the page:
ONYX Smith Machine Attachment — Product Benefits
Turns your power rack into a guided strength station
Bolt the ONYX Smith Machine Attachment directly onto your existing power rack and add guided bar-path training to your setup — without buying a separate, freestanding Smith machine or sacrificing extra floor space.
Universal compatibility
Built to fit the ONYX Power Rack and any other commercial rack with 17mm upright hole diameter — giving you genuine cross-brand flexibility rather than locking you into a single ecosystem.
Fixed bar path for controlled, consistent lifts
The fixed bar path keeps the bar tracking in a straight vertical line, removing the balance and stabilisation demands of free barbell training. This makes it ideal for safely overloading squats, bench press, and shoulder press, and gives beginners a controlled way to learn lift mechanics before progressing to free weights.
Safer solo training
With a fixed track and integrated safety catches, lifters can train heavy without a spotter — useful for PT studios and home gyms where a second person isn't always on hand.
Space-efficient for any gym floor
Because it attaches to a rack you likely already own, you get Smith machine functionality without the footprint of a standalone unit — a meaningful space saving for PT studios and boutique gyms working with limited floor area.
Commercial-grade build
Constructed to the same heavy-duty standard as the rest of the ONYX rack system, built to handle repeated daily use on a commercial gym floor, not just occasional home training.
Expands your rack's training capability
Pairs with your existing ONYX rack setup to support squats, bench press, shoulder press, and other guided barbell movements — adding another training modality to your strength zone without adding another machine.
Specifications
The ONYX Smith Machine Attachment is built from 3mm steel and rated to a 180kg weight capacity, with mounting hardware included for a straightforward bolt-on installation — no welding required. It runs a fixed bar path with no counterbalance or linear bearing system, and is compatible with the ONYX Power Rack as well as other commercial racks with a 17mm upright hole diameter.
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
| Barbell Diameter | 35mm |
| Product Weight | 41kg |
| Barbell Starting Weight | 15kg |
| Total Width Installed | 1880mm |
| Hole Diameter | 16mm |
| Max Load Capacity | 200kg |
Frequently Asked Questions
What makes this bolt-on Smith machine different from other Smith attachments?
Unlike most Smith machine attachments that bolt to the front or rear of the uprights, this Smith machine mounts between the squat rack uprights. This creates a more balanced load path, improved stability, and a more natural lifting position compared to side-mounted or offset Smith systems.
Does mounting the Smith machine between the uprights improve performance?
Yes. By positioning the Smith machine centrally within the rack, the bar path feels more natural during squats, presses, and lunges. This design reduces lateral stress, improves biomechanics, and delivers a smoother, more controlled movement compared to Smith machines bolted externally to uprights.
Is this Smith machine compatible with standard squat racks?
This bolt-on Smith machine is designed to integrate with compatible modular squat racks that support internal mounting. Compatibility requirements, including upright spacing and hole patterns, are listed in the specifications section. If you’re unsure, we can confirm compatibility before purchase.
What exercises can this adjustable gym bench be used for?
This adjustable weight bench is designed for full-body training, including flat, incline, decline, seated, and upright positions. It supports exercises such as bench press, incline press, shoulder press, chest flys, rows, leg extensions, hamstring curls, ab crunches, and more when used with compatible attachments.
Is this adjustable bench suitable for commercial gyms?
Yes. This is a commercial-grade adjustable bench built for high-traffic gym environments. It features a heavy-duty steel frame, reinforced pivot points, high-density padding, and a high weight capacity, making it suitable for commercial gyms, studios, hotels, physio clinics, and elite home gyms.
Is this Smith machine suitable for commercial gym use?
Yes. This is a commercial-grade Smith machine attachment engineered for high-traffic gym environments. The internal mounting system, heavy-duty guide rails, and reinforced construction make it suitable for commercial gyms, studios, performance facilities, and elite home gyms.
Does the internal Smith machine limit free weight training?
No. The Smith machine is designed to integrate seamlessly without restricting free weight movements. Users can still squat, bench, and lift freely within the rack when the Smith bar is not in use, making it a space-efficient alternative to standalone Smith machines.
Is this Smith machine suitable for Australian commercial gyms and fit-outs?
Yes. This bolt-on Smith machine is commonly used in Australian commercial gym fit-outs where space efficiency, safety, and versatility are critical. Its integrated design makes it ideal for facilities that want Smith functionality without dedicating floor space to a standalone machine.
More questions? See our full FAQ
