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Talk to a treadmill specialist| Motor | 3.75 HP |
| Max speed | 1.0 - 20 km/h |
| Running surface | 150 cm (L) x 52 cm (W) |
| Incline | Power Incline |
| Console | Smart Touchscreen |
If you run 5 days a week and want a full-size deck at home, the Viper 5 pairs a 3.75 CHP brushless motor with a 150 cm x 52 cm belt that carries users up to 180 kg. The 15.6-inch HD touchscreen streams Netflix, YouTube and Kayo over WiFi, so long runs stay entertaining without balancing a phone.
It suits a serious runner who trains at pace, with a 1.0 to 20 km/h speed range and 18 automatic incline levels for hill work. Zwift and Kinomaps support means you can follow real-world routes and virtual courses straight from the console.
What sells me on the Viper 5 is the 3.75 CHP brushless motor paired with a genuine 20 km/h top speed: that headroom means daily runners get quiet, unstrained power.
At 52 cm the belt is fine for most, but sprinters over 185 cm will want more room. The 15.6-inch touchscreen running Netflix and Zwift is what earns its keep.
Adela Ledvinkova · Bachelor of Exercise & Sport Science · Our In-House Fitness Coach
The brushless motor holds a 3.75 CHP continuous rating, so it keeps a steady pace through long sessions without straining. Brushless design also removes the carbon brushes that wear out on older motors, which is why it carries a longer warranty.
What this means for you: If you run most days of the week, this is the part of the spec I'd stake the recommendation on: it has the headroom to handle daily use for years.
The running surface measures 150 cm long by 52 cm wide, which is roomy enough for a natural running stride rather than short, clipped steps. The ShockControl cushioning gives the deck more give than a bare board underfoot.
The deck is firm and supportive rather than pillowy, which I prefer for anyone doing real training rather than gentle walking.
What this means for you: The 52 cm width suits taller runners who feel boxed in on narrower belts. On upstairs installs, a 6 mm rubber mat under it reduces footstrike transfer to the room below.
Eighteen motorised incline levels let you add gradient at the touch of a button, so you can mimic hill work without touching the machine. Automatic adjustment means preset programs can change the slope for you mid-session.
What this means for you: Incline is the easiest way to lift intensity while keeping your speed comfortable, which is exactly what I set for clients building an aerobic base.
A 15.6-inch HD TFT touchscreen runs the whole machine, so speed, incline and program selection all live on one clear display. In practice it feels like using a tablet rather than hunting through tiny button menus.
What this means for you: Clear on-screen controls matter most for first-time runners, who need to change pace quickly without looking down and losing rhythm.
The console holds 24 preset programs that vary speed and incline for you, plus room for unlimited custom workouts you set yourself. That gives you structure on days when you don't want to think about the plan.
What this means for you: Presets take the guesswork out of a session, and the custom slots let you save the specific interval structure you keep coming back to.
The screen runs Netflix, YouTube, Kayo, Binge, Prime Video and a web browser over WiFi, so a longer run can pass while you watch something. Bluetooth audio speakers and Spotify or SoundCloud handle the soundtrack, and there's an integrated tablet stand if you'd rather use your own device.
Fitness apps Fitlink, Kinomaps and Zwift also connect over WiFi and Bluetooth for guided or virtual sessions.
What this means for you: The streaming is the honest reason people finish long treadmill sessions. The tablet stand is a nice fallback if you'd rather keep your own logins.
The display tracks speed, time, distance, calories, incline, pulse and a 400 m track view, so you can see your whole session at a glance. Hand pulse sensors give a rough heart-rate reading through the handles.
What this means for you: The hand sensors handle casual use, but pair a chest strap (around $80) for accurate HR zones if you want to train at a set aerobic intensity.
Built-in transport wheels let you tilt and roll the treadmill to reposition it, which matters on a machine that weighs 107.5 kg. It's still a two-hands job, but the wheels do the heavy lifting once it's tipped.
What this means for you: The wheels help you move it for cleaning or rearranging, but at 193.5 cm long by 83 cm wide, confirm the floor space is permanent before you build it.
This is a residential treadmill built around a 180 kg maximum user weight and a 107.5 kg frame, so it feels planted rather than flimsy underfoot. The heavier the base, the less a treadmill shifts or bounces during faster running.
What this means for you: A 180 kg weight rating gives most households genuine headroom, which is what keeps the running feel steady over years of use.
The Viper 5 is backed by 5 years on the motor and frame plus 2 years on parts, which tells you the brand expects the heavy components to last. A magnetic safety key stops the belt immediately if you step back too far.
What this means for you: If it's covered by the 100-day money-back guarantee, you get 100 days to run it in your own home and return it if it isn't right. Worth checking the badge on this page.
Assembly is a one-person job that takes roughly 30 to 45 minutes for a first build, using a screwdriver, allen key and spanner. All bolts and fixings are in the box along with the tools you'll need.
What this means for you: The packaging arrives at 210 cm long and 129 kg, so plan a clear run to the room and a hand to move the box before you start.
The full user manual is available to download, so you can read the setup steps, dimensions and program details before the treadmill arrives. It's the quickest way to confirm the machine suits your space and routine.
What this means for you: Reading the manual first saves surprises on build day and helps you plan the room layout around the 193.5 cm footprint.
| Motor | 3.75 CHP EverDrive H7X Brushless |
| Speed Range | 1.0 - 20 km/h |
| Incline | 18 Automatic Levels |
| Running Surface | DuraGrip Ultra Belt |
| Cushioning | ShockControl Advanced Cushioning |
| Max User Weight | 180 kg |
| Console / Display | 15.6-inch HD TFT Touchscreen |
| Programs | 24 Preset, Unlimited Custom |
| Connectivity | WiFi, Bluetooth |
| Entertainment | Netflix, YouTube, Kayo, Binge, Prime Video, Spotify, SoundCloud, Web Browser |
| Fitness Apps | Fitlink, Kinomaps, Zwift |
| Assembled Dimensions | 193.5 cm (L) x 83 cm (W) x 149 cm (H) |
| Product Weight | 107.5 kg |
| Shipping / Packaging | 210 cm (L) x 91.5 cm (W) x 46 cm (H) |
| Warranty | 5 Years Motor & Frame, 2 Years Parts |
| Brand | Lifespan Fitness |
| Model | Viper 5 |
| Usage | Residential |
| Display Readouts | Speed, Time, Distance, Calories, Incline, Pulse, 400m Track |
| Audio | Bluetooth Audio Speakers |
| Heart Rate | Hand Pulse Sensors |
| Features | Integrated Tablet Stand, Transport Wheels |
| Assembly | Required |
| Included Items | User Manual, Magnetic Safety Key, Assembly Tool Kit |
| Running Surface | 150 cm (L) x 52 cm (W) |
| Packaging Weight | 129 kg |
Effort: a one-person job, around 30 to 45 minutes for a first build. Tools: a screwdriver, allen / hex key and spanner / wrench (bolts and fixings are included).
The EverDrive H7X brushless motor is the quiet part of the equation, so most of the noise you hear is footstrike, not the drive. At a walk it's easy to hold a conversation over. At 15 to 20 km/h your own footfall is the loudest thing in the room. Pop a 6 mm rubber mat under the deck to cut transfer to rooms below on upstairs installs.
The 150 cm by 52 cm running surface suits most walkers, joggers and runners up to about 185 cm comfortably. If you're taller and sprinting flat out, you'll feel the length at the back of your stride. For steady daily running it gives you plenty of room. The 52 cm width is generous and stops that boxed-in feeling.
No. The 15.6-inch HD touchscreen runs all 24 preset programs and lets you build unlimited custom ones without any device attached. WiFi and Bluetooth open up Netflix, YouTube, Kayo, Zwift, Kinomaps and more if you want them, but the console works fully on its own. Think of the apps as a bonus, not a requirement.
The Viper 5 uses hand pulse sensors, which are fine for a rough readout while you hold the rails. For anyone training to heart rate zones for weight loss or aerobic work, pair a Bluetooth chest strap for accuracy. Hand sensors are hard to read once you let go and swing your arms naturally at pace.
Assembled, it measures 193.5 cm long, 83 cm wide and 149 cm high, so it fits comfortably under a standard 2.4 m ceiling even with you standing on the deck. Leave clearance behind for a safe run-off. Transport wheels let one person reposition it, so you're not locked into one spot forever.
It's a one-person job, roughly 30 to 45 minutes for a first build. You'll need a screwdriver, an allen/hex key and a spanner, and all bolts and fixings come in the box along with the assembly tool kit. Take your time squaring the console mount and you'll have a clean, stable build.
It carries 5 years on the motor and frame and 2 years on parts, all handled locally by us rather than an overseas manufacturer. On top of that, if it displays the 100 Day Money-Back Guarantee badge, you can try it for 100 days and return it in as-new, repackaged condition if it isn't right. Return shipping is yours, but there's no restocking fee.
Take photos before you unpack further and email support@cardioonline.com.au within 48 hours of delivery. We'll lodge the freight claim, send replacement parts or a full unit, and stay across it until you're up and running. You don't chase the courier or the manufacturer yourself. That's on us.
Click below to download the user manual.
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Try it for 100 days. Return it if it is not right.
If your equipment is not right for your space or your training once you have lived with it, you can request a return within 100 days of purchase for a refund of the product price.
Available on products showing the 100 Day Money Back Guarantee badge. Return shipping is paid by the customer unless otherwise agreed. Original delivery, installation and service fees are non-refundable. See the full policy: /pages/risk-free-returns
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