Introduction The 250W continuous Das-Kit motor and 20” x 4.0 inch fat tires from CST are perfect for rolling through the city, racing through deserts, or riding on trails, across beaches, or through mountain powder. The F-Series’ foldable mechanism allows for easy transport and convenient storage. Take anywhere. Store anywhere. The next-gen electric bike for next-gen riders. Your road is up to you! Key Specs Top speed: 25 km/h Range: 120 km Tire width: 4.0" Motor: Das-Kit, G20 integrated rim motor, 48V 250W Battery: Das-Kit, 48V 15Ah, 720Wh Battery SHIPPING Once your order is placed, you will receive a confirmation email letting you know that our team has received your order. Once your order is fulfilled, you will receive an email notification with your tracking information. Shipping fees are non-refundable in the case of returns.