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Aovopro
Aovopro BK900 Adult Class 3 Electric Mountain Bike

Aovopro BK900 Adult Class 3 Electric Mountain Bike

2.6· 22 ratings

Best price now

$329.99at WalmartObserved at 1:58 PM

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Our take on the Aovopro BK900 Adult Class 3 Electric Mountain Bike

The Aovopro BK900 is a low-cost adult electric mountain bike with a 350 W mid-drive motor, a 48 V 9 Ah battery and 26-inch wheels on a high-carbon steel frame. It claims 22 mph and up to 50 miles of range, with front suspension, disc brakes and a 330 lb load limit. Its best new price is $329.99 at Walmart as of November 3, 2026, the only new price listed, so there is no recent range to compare against. At that price it undercuts most e-MTBs, but the 2.6-out-of-5 rating from 22 ratings is a warning sign.

Best forBudget buyers wanting a first e-MTB under $350Riders 5'2" to 6'4" and up to 330 lbShort commutes and light trail useBuyers willing to assemble and tune a bike themselves
Pros
  • Very low price for a full-size electric mountain bike
  • 350 W mid-drive motor with 48 V system and 5 speeds
  • Disc brakes and front suspension at this price
  • High 330 lb max load and wide height range
  • 26-inch wheels and tires are common and cheap to replace
Cons
  • 2.6 out of 5 from 22 ratings is poor
  • High-carbon steel frame is heavy
  • 9 Ah battery is small for the claimed 50-mile range
  • No rear suspension, so rough trails will be harsh
  • Assembly required and no local dealer support

Aovopro BK900 Adult Class 3 Electric Mountain Bike prices at every store

  • WalmartNew

    In stockSold by AOVOPRO

    $329.99Observed at 1:58 PM
    Visit store

Also available at

  • eBayCheck price at eBay

Aovopro BK900 Adult Class 3 Electric Mountain Bike price history

Lowest price we've seen: $329.99 on Nov 3 at Walmart. Tracked across 1 store since Nov 3.

What reviewers say

Owner feedback is mixed and leans negative, with a 2.6 average from 22 ratings. Complaints center on build quality and reliability rather than the concept.

Pros
  • Low price for the spec sheet
  • Comfortable upright ride for taller riders
  • Mid-drive motor pulls well on mild hills
Cons
  • Components and assembly quality feel cheap
  • Range falls well short of 50 miles in real use
  • Battery and electrical faults reported
  • Heavy steel frame is hard to handle off-road

From Walmart

  • Class 3 e-bike with 48V 350W (750W peak) brushless motor, speeds up to 22 mph
  • Removable 48V/9.0Ah lithium battery: 30-40 miles pure electric or 44-55 miles assist range
  • Fully charges in 4-6 hours
  • High-carbon steel frame with 26-inch wheels, 330 lbs load capacity, front suspension
  • Double disc brakes and Shimano 7-speed transmission
  • LCD display shows speed, mileage and battery status; speedometer and TUYA app connectivity
Materials
High-carbon steel frame
Fit
Recommended heights from 5.2' to 6'4"; suits adults aged 16-80
Sizing
Recommended for riders 5.2' to 6'4" tall
Returns
Free Holiday returns until Jan 31
Shipping
Free shipping; arrives between Nov 7 - Nov 9; ships in the manufacturer's original packaging, which may reveal the contents

What buyers say

Buyers like
  • Build quality impressed buyers
  • Great customer service; seller sent a replacement battery
  • Easy assembly, about an hour to put together
  • Good speed and battery range for commuting
Buyers complain about
  • Battery problem reported on arrival
  • Replacement battery hard to find
  • Pedaling backwards pops the chain off

Specifications

Maximum Speed
22 mph
Maximum Travel Distance
50 mi
Battery Capacity
9 Ah
Bicycle Brake Design
Disc Brakes
Suspension
Front Suspension
Frame Material
high-carbon steel
Bicycle Type
Mountain Bikes

Questions and answers

Is the Aovopro BK900 worth it?
Only if your budget is tight and you accept the risks. The 2.6 rating from 22 ratings suggests quality control is inconsistent, so buy where returns are easy.
How fast and how far does it really go?
Aovopro claims 22 mph and 50 miles. With a 350 W motor and 9 Ah battery, expect far less range at full assist, likely 15 to 25 miles.
What size rider fits it?
Aovopro lists a height range of 5'2" to 6'4" and a 330 lb max load. The 26-inch frame suits average to tall adults.
How long does charging take?
About 5 hours for the 48 V 9 Ah battery. There is no fast-charge option.
Does it come assembled?
No. Assembly is required, typically front wheel, handlebars, pedals and brake checks. Budget for a shop tune-up if you are not handy.
When is it cheapest?
The best new price is $329.99 at Walmart as of November 3, 2026, and only one store lists it new. Watch for holiday sales, since a single seller gives little room to compare.
Where is the Aovopro BK900 Adult Class 3 Electric Mountain Bike cheapest?
At Walmart, for $329.99, as of our latest check.
What do buyers say about the Aovopro BK900 Adult Class 3 Electric Mountain Bike?
Rated 2.6 out of 5 from 22 ratings. Buyers like: Build quality impressed buyers; Great customer service; seller sent a replacement battery; Easy assembly, about an hour to put together. Common complaints: Battery problem reported on arrival; Replacement battery hard to find.
Where can I buy the Aovopro BK900 Adult Class 3 Electric Mountain Bike?
2 stores we checked sell it, including Walmart, eBay.
Motor Type
Mid Drive
Charging Time
5 hr
Max Load
330 lb
Frame Size
26 in
Bicycle Tire Size
26
Wheel Size
26
Volts
48 V
Watts
350 W
Speeds
5
Is Assembly Required
Y
Age Range
16 - 80 Years
Height Range
5.2′ - 6'4′′
Power Type
Battery