KOOLUX BK6S Electric Bike 48V 13AH Folding City E-Bike 7 Speed High-end version
KOOLUX BK6S 4.0 Folding Electric Bike 48V 13Ah Battery, 20" Fat Tires. ✔KOOLUX BK6S Electric Bike. 🔥Why Choose KOOLUX BK6S?. ✔Stronger & More Powerful than Similar Models (e.g., Hitway BK6S). 48V 13Ah lithium battery for extended range.