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Ecotric Dolphin 500W Folding Electric Bike

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$939.99 You Save: $240.99 (25%)

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🚲 Price Match Guarantee on all E-Bikes


The New and Improved UL Certified Dolphin folding fat bike features both pedal assist and throttle mode. Equipped with comfortable but compact 20" x 4" tires, the Dolphin-MBL can be conveniently folded in order to store and transport the bike more easily. It has the ability to take on many tasks you would not expect from a portable & folding bike such as hauls from the grocery store, challenging terrain, and rough roads all without breaking a sweat. Explore new roads with ECOTRIC®!






Rear Hub 36V 500W


36V 12.5AH

Charging Time

6-8 Hours


Ecotric 810 LCD  


Speed Sensor 

Battery Life

400-600 Cycles


Mechanical Disc 160mm Rotor

Recommended rider




Pedal Assist On-Demand Throttle


Aluminum Alloy 


20’’×4.0’’ Fat Bike Tires 


included, front and rear

Weight With Battery


Weight Capacity





Mechanical Disc 160mm Rotor

Brake System

Left Brake for Rear/Right Brake for Front

We offer the best prices online and we are willing to back it up! If you find another online store that offers a lower price within three months of your purchase we will refund the difference. We never want you to feel you're getting a bad deal so we will make sure you always get the best deal possible. If you find that our own website has a lower price for the same item you have ordered within three months of your purchase date will refund the difference as well.

To request your price match simply e-mail us a link to the same product on our website, or on our competitors website within three months from the date of your order and we will process the credit accordingly.

Our 100% Price Guarantee has some limitations:

  • You must purchase the item from our website before requesting your Price Match Guarantee.
  • Promotions such as rebates and buy one, get one free offers are not eligible.
  • The item must be in stock on the competitors website. No backorders.
  • The competitor must be an online store, they may not have a retail location
  • The website can not be a discounter or auction website. (ie; eBay, overstock, etc.)
  • The competitor must be an Authorized Retailer of the product in question.
  • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax.

Every ECOTRIC electric bicycle on our website comes with a 18 months warranty against manufacturing defects in materials or workmanship on its frame, battery, motor, controller, and display.


This warranty applies only to the original registered owner of the ECOTRIC bicycle and is not transferable.

This limited warranty does not apply to normal wear and tear, malfunctions, or failures due to abuse, neglect, improper repair, improper maintenance, alteration, modification, damage or failure due to accident or other improper use, installation of third party components, parts, or accessories, or any products that have been modified from manufacturer’s specifications.The battery warranty does not include damage from power surges, use of improper charger, improper maintenance or other such misuse, normal wear or water damage.

It is important that you register your new bicycle within 30 days after purchase in order to activate the warranty and provide a record of the serial number of your bike. 

Customer Reviews

Based on 10 reviews

I was looking for a bike under $1000 and this caught my eye. Glad I bought it.

Nice lil bike

Nice bike to ride around my college. It gets the job done.

Ecotric Dolphin

I love this bike and the other one I purchased as well. So far so good. I wish the Ecotric had a horn and a headlight like the Discovery. Rear lights would be great on both. I have other people who have expressed interest and have given them your website.I'm so glad I made this bike purchase! The ecotric dolphin bike is a great ride! Didn't take long to put together. It folds up nicely and packs well. Now my husband wants one too, so he can keep up with me.

Good price

Bike is alot of fun to ride. Great power and super easy to transport. Not much room required when folded. I could put 2 in my ford edge

dena stratton
Love, Love, Love

This is an awesome ebike. The name Rocket says it all. I've researched many ebike's and I absolutely love this ebike. What a blast this bike is. It is so cute and easy to ride. The step through makes it easy to get on and off. I can go 18 miles on level 1 using pedal assist and still have two out of four power dots remaining. We ordered one of the other bikes for my husband and his came with blue rims.....those blue rims would have looked spectacular on my dolphin. Wish that had been an option. I've added a bike rack and lots of accessories.


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