KOOLUX BK6S Foldable Electric Bike - 20 4.0" Fat Tires, 48V 15Ah Battery, 45-90km Range. KOOLUX BK6S Electric Bike x 1. Model: BK6S. Battery Capacity: 15Ah (720Wh). Two Riding Modes: Choose between normal pedal mode and pedal assist mode to tailor your ride to your preferences.
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