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Windone E20/K2 Electric Bike for Adults | 350/750W Peak Ebike | Up to 20/28MPH | 40/46.6 Miles Range (PAS) | 374/646Wh Battery | All-Terrain 20" Fat Tires | UL 2849 Certified

  • Based on 105 reviews
Condition: New
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Availability: Only 4 left in stock, order soon!
Fulfilled by Amazon

Arrives Friday, Oct 10
Order within 4 hours and 19 minutes
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Style: E20/Glossy White


Features

  • Powerful Motor, Smooth Shifting & Certified SafetyE20 electric bike features a robust 350W motor (peak 500W), reaching speeds of up to 17 MPH in pure electric mode and 20 MPH with pedal assist. It easily conquers inclines up to 20 (36%) and is equipped with a reliable Shimano 7-speed gear system, making it ideal for city commuting, weekend adventures, and relaxed cruising. Safety tested to UL 2849 certification and the testing laboratory is UL LLC.
  • Long-Lasting & Convenient BatteryGo farther with the 36V 10.4Ah (374.4Wh) removable battery, offering up to 40 miles in pedal assist mode and 23 miles in pure electric mode. Fully recharges in about 6 hoursperfect for overnight charging or topping up while you work.
  • Comfortable Ride for EveryoneThe 20x3" wide tires and step-thru frame make the E20 e-bike easy to mount and ride, even for shorter riders or those wearing skirts or dresses. The road-friendly tires deliver excellent grip and stability, while the adjustable seat and handlebar angle help relieve pressure on your shoulders, hands, and backfor a smoother, more ergonomic ride.
  • Lightweight Yet Strong & Ready to CarryBuilt with a durable all-metal frame, the electric bike for adults weighs only 62 lbs but supports up to 265 lbs. With both front and rear racks included, it's great for carrying groceries, travel gear, or commuting essentials. Perfect for errands or long-distance adventures.
  • Safety & Convenience in One PackageRide confidently with front and rear disc brakes, integrated front and rear lights, and a bright LED display showing speed, mileage, power level, and battery life. Comes 90% pre-assembled and includes a water bottle holderready to go in just 10 minutes.

Bike Type: Electric Bike


Age Range (Description): Adult


Brand: Windone


Number of Speeds: 7


Color: Matte Black


Wheel Size: 20 Inches


Frame Material: Aluminum


Suspension Type: Dual


Special Feature: Dual Disc Brake


Included Components: Tool Kit


Bike Type: ‎Electric Bike


Age Range (Description): ‎Adult


Brand: ‎Windone


Number of Speeds: ‎7


Color: ‎Matte Black


Wheel Size: ‎20 Inches


Frame Material: ‎Aluminum


Suspension Type: ‎Dual


Special Feature: ‎Dual Disc Brake


Included Components: ‎Tool Kit


Size: ‎Large


Brake Style: ‎Disc


Wheel Width: ‎3 Inches


Specific Uses For Product: ‎Freestyle, Gravel, Road, Snow, Trail


Item Weight: ‎61 Pounds


Style: ‎E20/Glossy White


Model Name: ‎E20


Power Source: ‎Rear Wheel Motor


Wattage: ‎350 watts


Wheel Material: ‎Alloy Steel


Lithium Battery Energy Content: ‎374 Watt Hours


Manufacturer: ‎‎ZHEJIANG AIJIU TECHNOLOGY CO., LTD.


Frame Size: ‎Large


Item Package Dimensions L x W x H: ‎56.5 x 30 x 10.5 inches


Package Weight: ‎34.93 Kilograms


Brand Name: ‎Windone


Warranty Description: ‎1 Year Warranty


Material: ‎Iron


Part Number: ‎E20


Date First Available: August 19, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Oct 10

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great bike
Style: K2/750w 48v 13ah
Assembly was rather straight forward, been using it for maybe 2 months and have 70 Miles logged on it,I can definitely say it's awesome to ride and feel the wind blow through your face, it does not fold, to those who think it may this is literally a 75 IBS chunk of 20MPH steel, it's very powerful for an E-Bike and definetly worth the money for those who weigh a bit more than most E-Bikes support. I have noticed the front mud guard isn't exactly stable however which is the only downside but all in all a fun and worth it purchase for small distance commutes and joyrides ... show more
Reviewed in the United States on July 29, 2025 by Xavier F.

  • Great e-bike and top customer service!
Style: K2/750w 48v 13ah
Very happy with this purchase, bike looks great, is sturdy, battery life is good. Also, I had an issue mounting it (which was my fault, if I'm going to be honest), I was able to reach the Windone team right away and they helped me with my issue, 5 star customer service! Definitely recommended!
Reviewed in the United States on August 19, 2025 by Yoan Esebag Yoan Esebag

  • Great support service
Style: K2/750w 48v 13ah
Absolutely amazing support, my kid loves the bike, range is great, sturdy. The only thing is that for me I feel somehow a slight unbalance on my hands when driving, like there is more weight in the left side, but the bike is great and it's a minor thing. Support is really great.
Reviewed in the United States on August 27, 2025 by Lester E

  • Good bile for the price
Style: E20-350w 36v 10.4ah
It has speed as stated (20 MPH pedal assist and 17 thrust only), installation was vary basic, it has a good build. The only problem it is not very comfortable around tough terrain because it does not have shocks absorbers.
Reviewed in the United States on September 9, 2025 by Baqer

  • Runs a bit large, and has electrical issue.
Style: K2/750w 48v 13ah
Nice e-bike, but there’s an electronic issue that causes it to shut down while riding. Not sure if it’s a loose connection, or some other malfunction. Took a while to assemble and I really didn’t want to return it, but no other option.
Reviewed in the United States on August 17, 2025 by SKM

  • Feeling secure
Style: E20/Matte Black
I love riding the bike. I am 65 and have a taller ebike but I don't feel secure on the taller bike. I love having to ave a key to ri ad remove the battery. Much harder for someone to steal it. My only draw back is the back tires keeps losing air.
Reviewed in the United States on August 19, 2025 by Ruth E. Lawrence

  • Do not buy. Save yourselves the trouble.
Style: K2/750w 48v 13ah
A mega fail. Never felt less safe on any bike or motored vehicle. So many issues. The throttle goes from not working to being FAR too sensitive- literally flying off the handle. The battery goes from 60% to zero. The bike is waaaaay too heavy. Does not fold. Not nearly as comfortable as a thing its size should be. I owned and rode many e-bikes- this was hands down the absolute worst. I hope they take back this total lemon. It should not be sold on amazon. ... show more
Reviewed in the United States on September 1, 2025 by Osher

  • its cool bike with wide tires .
Style: K2/750w 48v 13ah
I recently got this Electric Bike, and I couldn’t be happier with my purchase. The installation was a fast , taking just about an hour to complete. This bike’s long battery life is impressive—it comfortably takes me around Santa Monica Beach with family and friends, making our outings fun and worry-free. The bike’s stylish, fashionable design turns heads everywhere we go. Not only does it look cool, but the suspension also feels great, providing a smooth ride even on rougher paths. Charging the battery is convenient too, with a full charge taking roughly four hours. The weight of the bike makes me feel secure and safe while riding. Overall, I highly recommend ... show more
Reviewed in the United States on January 20, 2025 by Jason Wynn

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