King Smith WalkingPad X21 Under Desk Treadmill

King Smith · Restock on October 06, 2025
€899.00
Save €-899.00
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Get a free Hit Fitness Protective Floor Mat worth €29.95 when you purchase this item.
King Smith WalkingPad X21 Under Desk Treadmill

King Smith WalkingPad X21 Under Desk Treadmill

€899.00

Notify me when available
Manuals & Guides: Download
SKU: TRX21F
Delivery Cost: €59.95

The King Smith WalkingPad X21 Under Desk Treadmill is a revolutionary advancement towards a smarter and healthier lifestyle.

With the X21 Under Desk Treadmill, each step brings closer to a healthy lifestyle.

Features

Comfort and Safety

A four-layer commercial-grade belt helps simulate real running conditions and provides a generous running surface of 46 x 121 cm.

Two-Fold Technology

The X21's occupies less than 0.16m2 of space, making it ideal for compact living spaces. Easy storage with 90° and 180° folding.

NFC Connectivity

Seamless connectivity with NFC-enabled sensors, providing real-time updates and access to the interface via your mobile phone and WalkingPad.

Digital Display

The X21 features an aesthetic design with a hidden LED digital display, offering a sophisticated interface capable of delivering vital workout stats.

Product information

Additional Features

  • KS Fit App compatibility: Track and manage your fitness statistics effortlessly with the exclusive KS Fit App, which also controls various functions of the X21 such as modes, start, stop, acceleration, and deceleration.
  • Durable construction: The X21 boasts an all-aluminum alloy frame and black coated body, combining aesthetics with durability for long-lasting performance. It supports up to 110kg loading capacity while weighing just 38kg.
  • Quiet operation: Equipped with an efficient brushless motor, the X21 maintains a constant power output while generating minimal noise (75dB) even at maximum speed under no-load conditions. For comparison, 60 dB is equivalent to "conversation in restaurant, office, background music or air conditioning unit at 100 feet".
  • Ready-to-use design: With no installation required, the X21 can be used immediately upon unpacking. Its all-in-one design simplifies the setup process, allowing you to kickstart your running routine without delay.
  • Conveniences: High-strength wear-resistant rollers, detachable phone holder for added convenience, and one-key switch operation with a bold red design for a modern aesthetic.

Specifications

    Max. Speed 0.5 Km/h -12 Km/h
    Max. User Weight 110 kg
    Running Area 46 x 121 (cm)
    Motor Power 1 HP
    Incline No
    Folding Yes
    Console Led Panel for Time, Speed, Distance, Calories, Steps
    Heart Rate No
    Programs Yes
    Fitness App Includes the KS® Fit App
    Fan No
    Weight 38kg
    Dimension L 142 x W 72 x H 102 cm
    Boxed Dimensions 101  (L) x 71 (W) x 23 (H) cm
    Boxed Weight 37kg
    Warranty This warranty covers home use only, not for commercial gyms. 2 year frames and parts. No labour.

    * It's recommended that your Home Gym Equipment is kept indoors, away from moisture and dust. For electrical/battery operated machines, it is recommended that they are not stored or used in sheds/garages/covered patio areas or near water. Failure to do so may void the warranty with the manufacturer.

    Need help in choosing the right Walking Pad for you? Why not read our Walking Pads Buying Guide

    KS Fit App tracks your data intelligently

    King Smith's exclusive at-home fitness app records and tracks your fitness statistics, whilst also controlling your X21's modes, start, stop, acceleration, and deceleration, among other functions.

    No assembly required

    X21 can be utilized immediately to experience the ideal urban workout lifestyle. The all-in-one design enables you to begin your running plan immediately upon opening the package.