KOOLUX BK6S 4.0 – Folding E-Bike – 250W Motor – 36V 13Ah Battery – 45–90 km Range – 20" Fat Tires

Discover the KOOLUX BK6S 4.0, a powerful and practical folding e-bike designed for daily commuting and comfortable long rides. With its 250W rear-wheel motor, durable 36V 13Ah lithium battery and wide 20×4.0-inch tires, this e-bike offers stability, grip and smooth performance on every route.

Main Specifications
. Speed: up to 25 km/h (EU guidelines)
. Range: 45–90 km per charge
. Motor: 250W rear-wheel motor
. Battery: 36V 13Ah lithium-ion
. Charging time: 6.5–7 hours
. Brakes: front and rear disc brake
. Tires: 20×4.0 inch fat tires
. Maximum load capacity: 120 kg
. Waterproofing: IP54
. Frame: foldable, easy to carry

Why choose the BK6S 4.0?
Comfortable riding on any terrain
. Compact and easy to fold
. Strong performance and long battery life
. Perfect for everyday use and leisure.

The KOOLUX BK6S 4.0 is the ideal choice for anyone looking for power, flexibility, and reliability in a compact electric folding bike.