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Talk to a treadmill specialist| Motor | 1.25 HP |
| Max speed | 1.0 - 12 km/h |
| Running surface | 120 cm (L) x 46 cm (W) |
| Console | LED |
| Connectivity | Bluetooth |
If you want to walk 30 to 60 minutes a day at your desk or in front of the TV, the WalkingPad X21 runs from 1.0 to 12 km/h and handles users up to 110 kg. Its 180 degree double-folding frame collapses to just 22.5 cm long, so it slides under a bed or against a wall between sessions.
It suits an apartment or small-home walker who wants a real treadmill without a permanent footprint, and it arrives fully assembled so there is no build. The OLED display tracks speed, time and distance, while the smart control dial and KS Fit app let you adjust pace without reaching for your phone.
The X21 folds to just 22.5 cm deep, so it slides under a bed or behind a couch. The 46 cm belt and 12 km/h top speed suit walking and easy jogging, not full running.
At 37 kg with a 110 kg user cap, it isn't built for tall runners stretching their stride. The standout is the brushless DC motor: quiet enough to walk during meetings without drowning out a call.
Adela Ledvinkova · Bachelor of Exercise & Sport Science · Our In-House Fitness Coach
The 180° double folding system collapses the deck and the uprights, so the whole treadmill drops to just 22.5 cm deep when packed away.
That's slim enough to slide under a bed, behind a couch or into a wardrobe between sessions.
What this means for you: If floor space is your main worry, this is the detail that lets a treadmill live in a small apartment without taking over a room.
The brushless DC motor runs quietly and skips the carbon brushes that wear out on cheaper drives, so it keeps its manners over the long haul.
It drives the belt from a slow 1.0 km/h walk up to a 12 km/h run.
What this means for you: The brushless motor is the standout here: quiet enough to walk on during a phone call and built to outlast a brushed drive.
The 120 cm long running surface gives you room to walk and jog, while the anti-slip texture keeps your footing sure as the pace picks up.
EVA and PET cushioning sits under the belt to take the edge off each footstrike.
What this means for you: The 46 cm width and 120 cm length suit walkers and joggers well; if you're over 180 cm and running fast, you'll feel the length is on the shorter side.
This walkthrough shows the X21 in a real home: unfolding it, using the controls and folding it back down to store.
It's the quickest way to see how little space the folded unit takes and how the double fold actually works.
What this means for you: Watch this before you buy if you want to be sure the fold and footprint fit your space.
The OLED display keeps the numbers that matter front and centre: your speed, session time and distance, all in a bright, easy-to-read panel.
What this means for you: No menu-diving: the three metrics most people actually track are on screen the whole time.
The aluminium alloy frame keeps the X21 light enough to fold and wheel around at 37 kg, without feeling flimsy underfoot.
It carries a 2 year frame warranty, backed here in Australia.
What this means for you: Aluminium is the reason a foldable treadmill this compact is still manageable to move solo.
The X21 pairs to the KS Fit app over Bluetooth, so you can control the treadmill and follow your session from your phone.
What this means for you: App pairing is optional, not essential: the treadmill runs fine from the console and dial without a phone.
The integrated holder keeps your phone or tablet propped at eye level, so a show or your KS Fit session stays in view while you walk.
What this means for you: Handy if you knock out steps while catching up on a series, the screen sits where you can actually see it.
The X21 supports users up to 110 kg, which is generous for a folding treadmill this compact and light.
What this means for you: That 110 kg ceiling covers most walkers and joggers looking for a fold-away option; check your own weight against it before buying.
The smart control dial lets you adjust speed with a simple turn, so you can nudge the pace up or down without breaking stride.
A safety tether key cuts the belt if you step off unexpectedly.
What this means for you: The dial is the quickest way to change pace mid-walk, and the tether key is your stop-fast backup.
| Motor | 1.25 HP Brushless DC |
| Speed Range | 1.0 - 12 km/h |
| Running Surface | Anti-Slip Running Belt |
| Cushioning | EVA & PET |
| Max User Weight | 110 kg |
| Console / Display | OLED Display |
| Connectivity | Bluetooth (KS Fit App) |
| Workout Metrics | Speed, Time, Distance |
| Frame | Aluminium Alloy |
| Assembled Dimensions | 142 cm (L) x 71 cm (W) x 105 cm (H) |
| Folded Dimensions | 22.5 cm (L) x 71.1 cm (W) x 100.7 cm (H) |
| Product Weight | 37 kg |
| Shipping / Packaging | 42 kg |
| Warranty | 2 Year Frame, 12 Months Parts |
| Product Type | Folding Treadmill |
| Brand | WalkingPad |
| Control | Smart Control Dial, KS Fit App |
| Folding System | 180° Double Folding |
| Attachments | Phone & Tablet Holder |
| Mobility | Transport Wheels |
| Safety Features | Safety Tether Key |
| Colour | Black |
| Assembly Required | No |
| Recommended Usage | ~2 hours (15 min cooldown recommended) |
| Running Area | 120 cm (L) x 46 cm (W) |
| Packaging Dimensions | 110.2 cm (L) x 79.5 cm (W) x 26.4 cm (H) |
Effort: a one-person job, see manual for a first build.
The 1.25 HP brushless DC motor is genuinely quiet at walking pace, so you won't wake the house on a 6am session. Your footstrike is the louder part, especially at the higher end of the 1 to 12 km/h range. Pop a 6 mm rubber mat underneath and you'll cut the transfer to rooms below noticeably.
No. The OLED display shows speed, time and distance, and the smart control dial adjusts pace without a phone anywhere near it. The Bluetooth KS Fit app is a nice extra for tracking and control, but it's optional. You can walk every session straight off the console. I'd treat the app as a bonus, not the reason you buy.
This is where it earns its keep. Folded with the 180 degree double-folding system it drops to just 22.5 cm long by 71.1 cm wide, so it slides against a wall or into a cupboard. Set up it's 142 cm long by 71 cm wide. Transport wheels let one person roll it out and away between sessions.
Walkers and light joggers who want movement fitted around a busy day, not marathon training. The 120 cm by 46 cm belt suits walking and steady jogging, and the max user weight is 110 kg. If you're over 180 cm and want to run hard at 12 km/h, you'll feel the belt length. For daily steps and easy sessions, it's spot on.
Almost none. It arrives ready to use, no assembly required, so it's a one-person job to unbox and roll into place. Have a quick read of the manual for your first setup so you're across the folding mechanism and the safety tether key. From box to first walk is a matter of minutes.
It ships Australia-wide as a single boxed unit at 42 kg gross, with live tracking so you can follow it to your door. Because it comes pre-assembled, there's no installer visit to book. Have a second person handy to help lift the box inside if you're short on space, then unfold and you're set.
Take photos before unpacking and send them to support@cardioonline.com.au within 48 hours of delivery. We'll lodge the freight claim, organise replacement parts or a full unit, and stay across it until you're walking. You don't chase the courier or the manufacturer yourself. That part's on us.
You get a 2 year frame warranty and 12 months on parts, all handled locally by us rather than an overseas manufacturer. If this model carries the 100 Day Money-Back Guarantee badge, you can also try it for 100 days and return it if it's not right, provided it's as-new and back in its original packaging, with no restocking fee.
Click below to download the user manual.
This product ships in 2-3 business days after you place your order.
Use the shipping calculator beside the Add to Cart button for an exact quote to your postcode. Approximate delivery times across Australia:
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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