KOOLUX BK10S Foldable Fat Tire Electric Bike – 500W Motor, 25 km/h (15.5 mph) Top Speed / Unlockable to 45 km/h (28 mph), Up to 90 km (56 miles) Range, 20″ × 4.0″ Tires, Shimano 7-Speed, Front Suspension Fork
KOOLUX BK10S: Rugged, Foldable & Ready for Any Ride
Take your commute or weekend adventure to the next level with the KOOLUX BK10S Foldable Electric Bike. Built with a durable aluminum alloy frame, fat 20″ tires, and front suspension, it delivers the perfect blend of power, comfort, and portability—ideal for city streets, coastal paths, or light off-road terrain.
Performance Highlights
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Top Speed: 25 km/h (15.5 mph) road-legal; unlockable to 45 km/h (28 mph) for private use
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Range: Up to 35–90 km (22–56 miles) per charge, depending on mode and terrain
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Motor: 500W brushless hub motor (high torque, smooth acceleration, hill-ready)
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Battery: 48V 12–13Ah removable lithium-ion; easy to charge at home or office
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Charging Time: 5–6 hours for a full recharge
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Climbing Ability: Handles slopes up to 25°
Design & Comfort
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Frame: Lightweight yet strong aluminum alloy with quick-folding mechanism
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Tires: 20″ × 4.0″ fat pneumatic tires for stability and traction on all surfaces
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Suspension: Front shock-absorbing fork for smoother rides over bumps
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Drive System: Shimano 7-speed gears for versatile riding
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Brakes: Dual front & rear disc brakes for reliable stopping power
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Weight & Size: ~27.7 kg (61 lbs); compact folding size for easy storage
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Load Capacity: Supports riders and cargo up to 120 kg (264 lbs)
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Water Resistance: IP54 rating – protected against splashes and light rain
Built for Urban Riders & Explorers
Whether weaving through traffic, cruising seaside boardwalks, or rolling over gravel trails, the KOOLUX BK10Sadapts to your lifestyle. Its foldable design makes it perfect for commuters with limited space, while fat tires and a 500W motor ensure stability and confidence on every ride.
What’s Included
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KOOLUX BK10S Electric Bike
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54.6V Charger & Power Adapter
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Assembly Tool Kit
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User Manual
- Motor:
- 500W
- Color:
- Orange
Pairs well with
Delivery in 2 to 4 working days
Hassle-Free Returns within 30 Days
2-Year Warranty Coverage
Trusted, Award-Winning Support Team
What’s Included
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Product Specifications
Brand: PIXAR®
Type: Cruiser Electric Bike
Pedal Assist Range: 120+ km / 75+ miles
Electric-Only Range: 58 km / 36 miles
Top Speed: 25 km/h / 15.5 mph (EU legal)
Dimensions: 183 × 66 × 104 cm / 72 × 26 × 41 in
Max Load Capacity: 250 kg / 550 lbs
Net Weight: 29 kg / 64 lbs
Motor: 250 W peak rear hub brushless motor
Max Torque: 45 N·m / 33 lb-ft
Maximum Output: 48 V 23 A with temperature protection
Battery: Samsung 36 V 12.8 Ah
IP Rating: IPX6 waterproof, CE-certified
Battery Weight: 3.5 kg / 7.7 lbs
Charging Time: ~4–5 hours
Front Suspension: Aluminum adjustable shocks, 100 mm travel / 4 in
Handlebar: Riser; 104 mm grip length / 4 in; 66 cm total width / 26 in
Pedals: 9/16” with reflectors
Chain: 1/2” × 3/32”, 118 links, 21-speed indexing
Crankset: 170 mm cranks / 6.7 in with 48T chainring
Display: LCD with USB charging port
PAS Levels: 0–5
Throttle: Half-twist, optional thumb throttle
Sensor: Speed sensor
Drivetrain: Shimano 7-speed indexing (14–28T), rear derailleur
Charger: UL-certified 2 A smart charger
Rims: Alloy 26” with 13G, 36H spokes
Tires: CST 26” × 2” pneumatic, 45 psi
Brakes: Front & rear mechanical disc brakes, 180 mm rotors / 7 in
Kickstand: Heavy-duty aluminum
Specifications may vary depending on terrain, rider weight, and usage conditions.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Waterproof IP65
350 Watt Motor
Unlockable Speed
10.5Ah Battery
Cruise Control
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FAQs
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Weight | 25 kgs (45 lbs) |
Payload Capacity | 120 kgs (265 lbs) |
Top Speed | 120 kgs (265 lbs) |
Range | 120 kgs (265 lbs) |
SPECIFICATIONS
| Frame Material | Aluminum Alloy |
|---|---|
| Color | Black |
| Unfolded Size (L × W × H) | 1780 × 790 × 1118 mm (70.1 × 31.1 × 44.0 in) |
| Folded Size (L × W × H) | 960 × 470 × 890 mm (37.8 × 18.5 × 35.0 in) |
| Wheel Type | Integrated Wheel |
| Tire Size | 20 × 4.0 in Fat Tires |
| Packaging Size | 1450 × 280 × 790 mm (57.1 × 11.0 × 31.1 in) |
| Gross / Net Weight | 36 kg / 30.5 kg (79.4 lbs / 67.2 lbs) |
| Maximum Load | 120 kg (265 lbs) |
| Maximum Speed | 25 km/h (15.5 mph, Road Legal) / 38 km/h (23.6 mph, Unlocked) |
| Range | 70–120 km (43–75 mi), depending on conditions |
| Maximum Climb Angle | 25° |
| Operating Temperature | -10°C to 45°C (14°F to 113°F) |
| Water Resistance | IP54 (splash and dust resistant) |
| Battery Type | 18650 Lithium-ion Power Pack |
| Battery Capacity | 48V 15.6Ah (748.8 Wh) |
| Motor Power | 250W Rated (0.25 kW), Brushless Hub Motor |
| Motor Idle Speed | 400 ± 10 rpm |
| Drive Mode | Pedal Assist + Pure Electric |
| Charger Output | 54.6V 3.0A |
| Charger Input | 100–240V, 50/60Hz, 3.0A |
| Undervoltage Protection | 40.5V |
| Overcurrent Protection | 21A ± 1A |
| Charging Time | 7–8 hours |
| Display | Multifunctional LCD Display |
| Front Lighting | Yes (LED Headlight) |
| Brakes | Front Disc Brake + Rear Disc Brake |
| Tires | 20 × 4.0 in Pneumatic, Valve: AV |
| Front Fork | Shock-Absorbing Suspension Fork |
| Gear System | Shimano 7-Speed Transmission |
*Specifications may vary based on terrain, rider weight, and usage conditions.