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Aostirmotor A20 Fat Tire Folding Electric Bike

Aostirmotor A20 Fat Tire Folding Electric Bike

3.9(107 ratings)

Last price we saw

$399.99at Walmart, last seen Oct 30

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Our take on the Aostirmotor A20 Fat Tire Folding Electric Bike

The Aostirmotor A20 is a folding electric bike with a 500W rear hub motor, a 36V 13Ah battery and 20 x 4.0-inch fat tires on an aluminum frame. It folds for car trunks and small apartments, tops out around 25 mph and has a 7-speed drivetrain plus front suspension. At about 70 lbs it is heavy to lift and carry. No current price was provided, so check the live comparison before buying.

Best forRiders who want fat-tire stability on gravel, sand or rough pavementCommuters who fold the bike into a trunk or small storage spaceBuyers on a budget who want a full-size e-bike feel
Pros
  • 500W motor and 25 mph top speed suit city and light trail riding
  • 20 x 4.0-inch fat tires add grip and cushioning on loose surfaces
  • Folds down for car trunks, boats and tight storage
  • 7-speed gearing lets you pedal when the battery runs low
  • Front suspension softens potholes and curbs
  • Aluminum frame keeps weight down for its size class
Cons
  • About 70 lbs makes it hard to lift into a trunk or up stairs
  • 36V 13Ah battery is small for a fat-tire bike; expect limited range at speed
  • Only front suspension; the rear is rigid
  • No torque sensor listed; cadence sensing feels less natural
  • Quality control complaints are common in owner reports

Aostirmotor A20 Fat Tire Folding Electric Bike prices at every store

  • WalmartCheck price at Walmart

Aostirmotor A20 Fat Tire Folding Electric Bike price history

Lowest price we've seen: $399.99 on Oct 30 at Walmart. Tracked across 1 store since Oct 30.

What reviewers say

  • 3.9 / 5107 ratings

Ratings average 3.9 out of 5 from 107 ratings, and reviews split sharply. Many owners like the equipment, speed, battery life and easy assembly; others report damaged or missing parts, batteries that will not charge and unhelpful seller support.

Pros
  • Brakes, throttle and tires feel good for the price
  • Pedals easily and assembles quickly
  • Speed and battery life meet expectations
  • Fast delivery and a helpful seller in some cases
Cons
  • Arrived with broken or missing parts, including a busted headlamp and uneven fork welds
  • Battery will not charge or the bike will not power on
  • Seller refused refunds or replacement batteries
  • Missing screws and poor customer service
Reviews

About the Aostirmotor A20 Fat Tire Folding Electric Bike

It's a foldable,portable and comfortable electric bike.The foldable design allows you to easily store your bike in the trunk of your car,boat or even under your desk.This means you can take it anywhere.The foldable bike withs 4" fat tire.This must be the most beautiful view when you ride around the town. AOSTIRMOTOR is committed to the research and development, production and sales of electric bicycles.With a dynamic and efficient R&D and management team, we employ professional manufacturing processes and strict production process controls to ensure the superior performance and originality of our products. AOSTIRMOTOR Electric Bike From daily commuting to mountain climbing, there is always a bike style that will make your eyes shine. For other styles, please check in store.

Specifications

Total Weight
~70 lbs
Top Speed
Up to 25 mph
Motor Size
500W rear hub motor
Battery Type
36V 13Ah lithium battery
Tire Type
20″ x 4.0″ fat tires
Suspension Type
Front Suspension
Frame Material
Aluminum

Questions and answers

Is the Aostirmotor A20 worth it?
It is a lot of e-bike for the money on paper: 500W, fat tires and a folding frame. The 3.9 out of 5 rating reflects real quality-control risk, so buy from a store with a clear return policy and inspect the bike on arrival.
How fast does it go and how far on a charge?
Top speed is about 25 mph. The 36V 13Ah battery is modest for a 70 lb fat-tire bike, so expect well under 30 miles if you lean on the throttle and much more if you pedal and stay slow.
How heavy is it to fold and carry?
It weighs about 70 lbs, so folding helps with storage but not with lifting. Plan on rolling it or having two people for stairs and roof racks.
What size rider fits it?
The 20-inch wheels and folding frame suit most adults, roughly 5'3" to 6'2". Check the seat and handlebar height range before ordering if you are at either end.
Does it come with fenders, a rack or lights?
Fit varies by listing and some owners report missing parts, including headlamps. Confirm the exact included accessories with the seller before you buy.
When is the best time to buy?
E-bike prices drop around Black Friday, spring sales and end-of-season clearance. Track the price history here and buy when it sits near its recent low.
What do buyers say about the Aostirmotor A20 Fat Tire Folding Electric Bike?
Rated 3.9 out of 5 from 107 ratings.

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All Aostirmotor deals and products →
Electric
Yes
Color
Black
Age Group
Adult
Number Of Speeds
7 speed
Tire Width
4 inch tires
actual_color
Black
size
20" x 4"