DYU Official Store via AliExpress. DYU C3-14MINI 14"Folding Electric Bike 500W Motor 36V 7.8Ah Battery $148.

+ Free Shipping from US warehouse.

Apply eCoupon​ JJY25 for $25 off at checkout.

Apply eCoupon JJY16E​ (backup) for $16 off at checkout. Not stackable.

Key Specs:
Motor & Speed:​ Peak 500W High-Speed Brushless Motor, Up to 20 mph Top Speed.
Battery & Range:​ 36V 7.8Ah (280Wh) Lithium Battery, 15-19 miles (Pedal Assist).
Design & Portability:​ 14-inch Wheel, Compact Foldable Design for Easy Storage/Carrying.
Brakes & Safety:​ Front & Rear Dual Disc Brakes for Fast/Efficient Stopping.
Climbing & Load:​ 15° Climbing Ability, Supports Riders of Various Weights.
Adjustability:​ Height-Adjustable Seat for Customized, Comfortable Riding.
Display & Control:​ LED Display for Speed/Battery/Assist Level.
Weight & Warranty:​ Lightweight Frame
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