KOOLUX BK6S 4.0 Folding Electric Bike – 750W Motor | 48V 13Ah Battery | 20″ × 4.0″ Fat Tyres | Dual Suspension | Up to 90km Range | High-Power Urban/Off-Road E-Bike

🚲 KOOLUX BK6S 4.0 – High-Power Folding Fat Tyre E-Bike

The KOOLUX BK6S 4.0 Folding Electric Bike is a high-power all-terrain e-bike designed for riders who want strong acceleration, folding convenience, and off-road capability in one platform. Featuring a 750W motor (UK/EU variants often limited to 250W road mode), a 48V 13Ah battery, 20″ × 4.0″ fat tyres, and a reinforced folding frame, the BK6S 4.0 is built for urban commuting, hills, and mixed terrain riding.

This model is a step up from standard commuter folders, offering more torque, wider tyres, and a more rugged build for heavier daily use.

🔧 Key Specifications

⚡ Features & Benefits

⚡ High-Torque Motor Performance

The 750W motor delivers strong acceleration and hill-climbing ability, making it suitable for heavier riders and steep urban routes.

🔋 48V 13Ah Battery System

Provides balanced range for commuting and leisure riding with removable charging convenience.

🚲 Folding Frame Convenience

Despite its power, the folding design allows easier storage in cars, flats, or tight spaces.

🛞 20″ × 4.0″ Fat Tyres for Stability

Wide tyres improve grip, comfort, and control across roads, gravel, and uneven terrain.

⚙️ Shimano 7-Speed Gearing

Helps maintain efficiency across hills and mixed riding conditions.

🛑 Disc Brake Control

Mechanical disc brakes provide reliable stopping power for everyday riding.

🛒 Ideal For

• Urban commuters needing extra power
• Hilly city routes
• Mixed terrain riders
• Campervan / travel storage users
• Riders wanting folding + high torque
• Everyday utility riding

Built for power, portability, and versatility — the KOOLUX BK6S 4.0 is a high-performance folding electric bike designed for riders who want stronger motor output without giving up compact storage.