King Smith WalkingPad X21 Double Fold Treadmill 7.4 MPH Speed

The King Smith WalkingPad X21 combines advanced folding design with powerful performance for home fitness.
Built with premium materials and an OLED touch panel, it offers smooth and stable walking or running with full control.
The treadmill’s brushless motor delivers consistent power up to 12 km/h, while the compact folding frame saves space effortlessly.
Its aluminum and ABS body ensures durability with a modern look that fits perfectly in any home setup.

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Key Features

• Foldable walking and running treadmill for home use
• 918W brushless motor for stable and efficient performance
• Adjustable speed range from 0.5 to 12 km/h
• OLED display panel for clear speed and performance tracking
• Multiple safety and control functions including child lock, overload protection, and auto standby
• Sleek space gray finish with premium aluminum frame
• Compact folding design for easy storage

With the innovative folding technique, the compact machine can be folded twice.

X21 has achieved a 90° folding in addition to the previous 180° folding. Its svelte form emphasizes the unique technologies.

Technical Details

• Product Name: King Smith WalkingPad Treadmill
• Model: X21
• Color: Space Gray
• Voltage: 220V~
• Frequency: 50–60Hz
• Motor Type: Brushless
• Rated Power: 918W
• Speed Range: 0.5–12 km/h
• Panel Material: Acrylic
• Body Material: ABS + Aluminum Alloy
• Display: OLED Screen
• Functions: User-defined speed limit, overload protection, auto standby, child lock
• Max Load: 110 kg
• Tread Height: 96 mm
• Running Area: 460 × 1210 mm
• Unfolded Size: 1420 × 720 × 1020 mm
• Folded Size: 710 × 955 × 226 mm