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Talk to a exercise bike specialist| Resistance Levels | 40 |
| Programs | 3 (Manual, Interval, Heart Rate) |
| User Weight Capacity | 180 kg |
| Warranty | Lifetime frame, 5 years parts, 3 years labour |
Facility operators fitting out a 24/7 gym or hotel floor need a bike that handles back-to-back members without draining the circuit, and the C573U is self-powered so it runs entirely off the rider's effort, no power outlet required. Its ECO-NATURAL build carries users up to 180 kg and offers 40 resistance levels for everyone from first-session guests to conditioned riders.
It suits strata gyms, clinics and corporate fitness rooms that want a low-maintenance floor fixture, backed by a lifetime frame warranty, 5 years parts and 3 years labour. The low-profile shroud and vertically adjustable seat keep it quick to clean and fast to set up between users, with a USB port so members can charge a phone mid-ride.
Self-powered is the detail I'd flag first: no mains outlet needed, so you can site this bike anywhere on a floor plan and reconfigure the room without hunting for a power point.
Heart rate runs through handheld pulse sensors, so it isn't built for precise zone work mid-pedal. The real strength is serviceability: lifetime frame and five years parts back continuous multi-user use.
Adela Ledvinkova · Bachelor of Exercise & Sport Science · Our In-House Fitness Coach
The C573U generates its own power from the rider, so there is no mains cable to route and no spare power point to find on your floor plan.
It is built to commercial-grade construction standards for continuous multi-user duty.
What this means for you: For a 24/7 floor, a hotel gym or a clinic, placement comes down to footprint alone, not proximity to power.
Every session is driven by the rider's own effort, which runs the console and resistance system without drawing from the wall.
What this means for you: That frees up where you can install a row of bikes and removes the cable-management headache during fit-out.
Because the bike draws no mains power, it adds nothing to your electricity bill and does not tie you to a wall or power rail.
For operators running banks of cardio, that flexibility adds up across a fit-out.
What this means for you: Not having to chase power points for every cardio station simplifies the fit-out and the floor plan.
Forty resistance levels give you fine steps between an easy spin and a hard effort, so riders can dial in exactly the load they want.
What this means for you: A deep step range matters on a shared machine because one bike has to suit the deconditioned member and the fit regular equally.
The 40-level range lets a first-timer start light and a stronger rider push hard on the same bike, with three programs to structure the session.
The choices are Manual, Interval and Heart Rate.
What this means for you: When I coach beginners, I want a machine that still has headroom six months later, and this one does.
The seat adjusts vertically so each rider can set the right height for their leg length before they start pedalling.
What this means for you: On a shared bike, fast seat adjustment keeps turnover quick between members and gets the pedal stroke right for each person.
Setting seat height to leg length keeps the knee tracking well through the pedal stroke, which is the difference between a comfortable ride and a cut-short one.
What this means for you: Every rider I coach gets the seat set first, because good alignment is what keeps people coming back to the bike.
The low-profile shroud keeps the bike's visual bulk down and the step-over clear, which helps on busy floors and tighter studio layouts.
What this means for you: A tidy shroud and a 55 cm width mean you can line bikes up close without the floor feeling crowded.
At 55 cm wide with a low step-over, the bike is quick to get on and off and sits efficiently in a cardio line.
The assembled footprint is 121.8 cm long by 55 cm wide.
What this means for you: For hotels, strata gyms and clinics where every square metre counts, the compact width is where this bike earns its place on the plan.
The LCD console shows the numbers that actually drive a session: heart rate, RPM, resistance, time, distance, speed and calories.
What this means for you: Everything a rider needs to pace a session sits in one clear readout, with no menus to learn.
This console gives you the core metrics and nothing to fiddle with, which is exactly what high-turnover facilities want on a shared machine.
What this means for you: On a commercial floor, a console people can read at a glance beats a touchscreen that confuses half your members.
The 180 kg rider rating means the bike suits a genuinely broad range of members without you worrying about who is on it.
The assembled bike weighs 82.5 kg, so it stays planted during harder efforts.
What this means for you: A high rider rating is one of the first things I check for commercial duty, because it signals the frame is built for real daily load.
A built-in USB port lets riders top up a phone or tablet mid-session, which keeps longer sessions comfortable without a separate charger.
What this means for you: A small thing, but members notice it, and it is one less reason for them to cut a session short.
| Resistance Type | 40 |
| Max User Weight | 180 kg |
| Seat Adjustment | Vertically Adjustable |
| Console / Display | LCD |
| Programs | 3 (Manual, Interval, Heart Rate) |
| Assembled Dimensions | 121.8 x 55 x 147.7 cm |
| Product Weight | 82.5 kg |
| Power | Self-powered |
| Warranty | Lifetime frame, 5 years parts, 3 years labour |
| Brand | SportsArt |
| Product Line | ECO-NATURAL™ Prime |
| Construction | Commercial-grade |
| Shroud Type | Low-Profile |
| Display | Heart rate, RPM, Resistance, Time, Distance, Speed, Calories |
| Heart Rate | Handheld Pulse Sensors |
| Device Charging | USB Port |
This is a special-order unit, so allow 12 to 14 weeks from your order date. It ships freight on a pallet to your site. On delivery day have someone available to receive it and check the packaging before signing. For fleet orders across multiple sites, ask us about staggered delivery and installation when you request a quote.
Take photos before unpacking and email support@cardioonline.com.au within 48 hours of delivery. We lodge the freight claim, organise replacement parts or a full unit, and stay across it until you're up and running. You don't deal with the courier or SportsArt directly, that's our job to sort for you.
No. The C573U is self-powered, so the rider's pedalling runs the LCD console, the 40 resistance levels and the USB charging port. That means no power outlet near the bike and no electrician during fit-out, which makes floor layout far easier in a studio or 24/7 room. For B2B operators it also removes a running cost across a fleet. Adela
The assembled footprint is 121.8 cm long by 55 cm wide, standing 147.7 cm tall. That height clears a standard 2.4 m ceiling with plenty of room. For a commercial floor, allow clearance around the bike for mounting, dismounting and cleaning access between units. The low-profile shroud keeps the visual bulk down in a busy cardio row. Adela
It's built for continuous multi-user use: commercial gyms, 24/7 franchises, hotels, apartments, corporate and studio fit-outs. The 180 kg user weight capacity and commercial-grade frame handle heavy daily throughput. Serious home-gym buyers who want equipment that outlasts casual machines fit too. The wrong fit is light, occasional use, where this level of build is more than you need. Adela
The C573U uses handheld pulse sensors in the grips, and one program trains directly to heart rate. Grip sensors are fine for a general read and casual intervals, but riders have to hold the grips to get a number, and the reading is a guide to effort rather than a precise measurement.
The C573U is covered by a commercial warranty: lifetime on the frame, 5 years on parts and 3 years on labour, with warranty service handled by an Australian team. For a commercial operator that's the number that matters: a lifetime frame and 5-year parts cover tell you this is expected to survive years of multi-user load.
The seat is vertically adjustable, so riders of different heights can set a comfortable leg extension quickly between sessions. On a shared commercial floor that fast changeover matters, members shouldn't need tools to get set up. The 40 resistance levels then let everyone from a deconditioned beginner to a strong rider find a working load. Adela
This product has a 12 week lead time from date of purchase.
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