Ultra-thin profile
A slim deck for walking and running.
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Compare models
WalkingPad X21 against the other Treadmills
Specifications as published by each manufacturer. Only models in stock are shown.
| Specification | This model
WalkingPad X21
| 
WalkingPad Z3 Hybrid
| 
WalkingPad R3
| 
WalkingPad R3 Hybrid Plus
|
|---|---|---|---|---|
| Price | $799.00$999.00 | $849.00 | From $799.00 | $799.00$999.00 |
| Type | Double-fold walk and run treadmill | Foldable walking and jogging treadmill | Folding under desk walking pad | Foldable walking and running treadmill |
| Folded size | double fold, stores upright | Ask us | – | Ask us |
| Features | twist speed dial, KS Fit app, NFC, detachable phone holder | Walk and jog upright, 15 degree EasyView display, flip-top phone holder, adjustable handrails, fully assembled | progress lights, large display, remote, no assembly | FootSense speed control, adjustable folding handrail, folds for storage, no assembly |
| Motor | – | Brushless | – | Ask us |
| Top speed | – | Ask us | – | 7.5 mph |
| Incline | – | Ask us | – | Ask us |
| Belt | – | Ask us | – | 47.2 x 17.3 in |
| User capacity | – | Ask us | 265 lb or 330 lb version | Ask us |
| Warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty |
| Shop | Add to cart | View details | View details | View details |
See every model on the Treadmills page. Ask our team for the full spec sheet for any machine.
Why the WalkingPad X21
The X21 folds twice so a walking and running treadmill can stand in a closet.
Double fold, stores upright
Twist speed dial
KS Fit app with NFC pairing
Detachable phone holder
Walk or run at home
One treadmill for both paces.
Double fold
Folds twice to a compact upright shape.
Upright storage
Stands against a wall or in a closet.
Twist speed dial
Turn the dial to change speed.
Detachable phone holder
Keep your phone in view while you walk.
Cushioned deck
A cushioned walking and running surface.
KS Fit app
Workout data is stored in the app.
How to use the WalkingPad X21
1 - Unfold and place
Unfold both sections on a level floor near an outlet with clear space behind.
2 - Plug in and set speed
Twist the speed dial or pair the KS Fit app.
3 - Fold and stand upright
Fold the X21 twice and stand it against a wall.
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FAQs
How does the double fold work?
The X21 folds twice so it can stand upright against a wall or in a closet.
How do I change speed?
Twist the speed dial. You can also use the KS Fit app.
Does it work with my phone?
Workout data is stored in the KS Fit app. Android phones can open the app interface by NFC.
Can I run on it?
Yes. It is sold for walking and running. The supplier has not published its top speed, so call us if you need the exact figure.
What warranty and return policy apply?
WalkingPad covers this model with a 1-year limited warranty, with an optional extension available. Most eligible products can be returned within 30 days of delivery in original condition and packaging.
Where does it ship and how much does shipping cost?
Free shipping to domestic USA addresses in the lower 48; Alaska and Hawaii by quote. Large items ship by freight, curbside.
Where can I find longevity devices similar to the WalkingPad X21?
Check out these related biohacking equipment collections.