Freego E4 pro city bike
E4 pro city bike black
E4 Pro City Foldable Ebike
eflex air E4 pro city bike
eflex air E4 pro foldable bike
eflex air E4 pro electric bike

Freego eFlex Air E4 Pro Step-Through City Foldable Ebike

$1,199.00 Regular price $1,599.00 Sale price
This product is not UL certified and cannot be sold or shipped to residents of NYC.

Clearance Sale! Enjoy 20% Off. Act fast!⚡(*Automatic discount applied in shopping cart)

Details Page
Quality Guaranteed Icon 2-Year Warranty
Return Icon 20-day Return
Free Shipping Icon Free Shipping
Accessories Included Accessories Included
Electric Bike Charger
Electric Bike Charger
20Ah Lithium Battery
Removable Lithium Battery
Bicycle Pedal
Bicycle Pedal
Adjustable Parking Rack
  • E-Bike Model: eFlex Air E4 Pro 
  • Motor: 500W(nominal), 800W(peak)
  • Max Speed: 25mph (40km/h)
  • Battery: 36V, 7.8Ah+10.4Ah (655Wh)
  • Gears: 7 Speed Gears
  • Brake System: Front+Rear Wheel Hydraulic Brake
  • Riding Range: 72km-112km | 45mi-70mi (pure electric)
  • Tire Size: 20 x 3.0 inches fat tires
  • Net Weight: 22kg
  • Max Loading: 160kg (350lb)
  • Packing Size: 80x 49 x 70CM

1. 20"x3.0" Tires*2
2. 7.8Ah+10.4Ah Battery
3. Charger*1
4. Fenders
5. Pedals*2
6. Front light
7. Bicycle frame
8. Owner's manual


We offer local UPS, FedEx, or DHL shipping. Free shipping.
Shipping from US local warehouses.
In-stock orders typically ship within 1-3 business days.
Please allow 2~8 business days for your shipment to arrive at your address.
A shipping confirmation email will be sent to your email once the order has shipped.

The above shipping applies to most products in stock. For shipping details, please refer to Shipping Policy


We have a 20-day return policy, which means you have 20 days after receiving your item to request a return.
Please contact us for return procedures, we do not accept returns and refunds without receiving the email.
For the specific return process, please refer to the Return&Refund Policy

If you have any questions, please contact us and we will be happy to assist you.

eflex air e4 pro ebike
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Aluminum Alloy Frame

Lightweight and durable

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500w Motor

High speed brushless motor

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36V, 7.8Ah+10.4Ah (655Wh)

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Riding Distance

72km-112km (45mi -70mi)

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Hydraulic Brake

Efficient braking

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20 X 3" Fat Tires

Air-filled tires with tube

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LED Light

Head & tails brake lights

e4 pro bike 7 speed

SHIMANO 7 Speed Gears

Easily tackle diverse terrains with precise shifting and improved control. Perfect for urban commutes and leisure rides, these gears offer enhanced energy efficiency, durability, and reliable performance for any cyclist.

e4 pro bike Removable battery

Removable Battery

Removable battery makes it easy to charge the battery anywhere, and enjoy greater convenience by changing batteries for longer rides. Perfect for city commuting and long distance traveling.

e4 pro foldable bike

Foldable Electric Bike

Foldable electric bicycles offer ultimate convenience and portability. Easily store them in small spaces or carry them on public transport. Provide a smooth, eco-friendly ride while saving space and simplifying travel logistics.

e4 pro brake system

Hydraulic Brake

Excellent braking force and precision. Compared with mechanical brakes, hydraulic brake e-bikes have less maintenance, higher durability, reliable performance and a smoother ride, making them the best choice for urban riding.

e4 pro bike fat tire

20X3" Fat Tire

Conquer a variety of terrains from sand to snow with ease. Enjoy a smoother, more comfortable ride thanks to enhanced shock absorption. Perfect for adventurous commuting and off-road exploring.

e4 pro Tail lights

Tail Light

LED rear tail light e-bike provides enhanced visibility and safety for nighttime riding. Energy efficient and durable, LED lights provide bright illumination for increased safety and confidence on every ride.