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Askmy

Askmy E500 20 Inch Fat Tire Electric Bike

  • Maximum Weight Recommendation: 330 pounds
  • Wheel Size: 20 inches
  • Lithium Battery Energy Content: 720 Wh
  • Wattage: 750 watts

Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A powerful, well-equipped fat tire ebike that most riders found fast and comfortable, but quality control on individual units and customer support are inconsistent.

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ASIN: B0G5PKV8JZModel: E500Category: Electric Bicycles

Colors Available

Ink BlackPure Black

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Overview

A 20x4 fat tire electric bike with a 750W continuous and 1000W peak motor, a 48V 15Ah removable battery, a UL2849-certified electrical system and a triple suspension setup, rated for riders up to 330 pounds.

  • 750W continuous / 1000W peak motor
  • 48V 15Ah removable battery, UL2849 certified
  • Triple suspension: fork, rear shock, seat post
  • 330 lb (150 kg) load capacity

Who it's for

Suits riders wanting a heavy-duty, high-power fat tire commuter or trail bike with real suspension and a large battery. Less suited to anyone who wants a plug-and-play unboxing, since several buyers hit assembly defects or slow support.

Pros and cons

Pros
  • Strong top speed, one rider reported 33 mph
  • Triple suspension smooths pavement and gravel
  • Real hand tools included for assembly
  • Battery reportedly held charge well on long rides
Cons
  • Pedal assist cannot be turned off without powering down
  • Some units arrived with assembly defects
  • Support response reported slow after purchase issues

Specifications

BrandAskmy
ModelE500
Dimensions & fit
Maximum Weight Recommendation330 pounds
Wheel Size20 inches
Wheel Width4 inches
Capacity & performance
Number Of Speeds7
Bicycle Drivetrain TypeChain Drive
Bicycle Gear Shifter TypeTrigger
Age Range DescriptionAdult
Power & efficiency
Lithium Battery Energy Content720 Wh
Wattage750 watts
Power SourceCorded Electric
Construction & materials
Frame Material TypeCarbon Steel
Wheel MaterialEthylene Vinyl Acetate (EVA)
ColorPure Black
Included components
Unit Count1
Included ComponentsBattery
Warranty & support
Warranty Description91 days
Warranty TypeLimited
Other details
Electric Assist Typepedal assist
Brake StyleDisc
Suspension TypeDual
Bike TypeElectric Bike
Derailleur ConfigurationRear
Is Assembly RequiredYes
Model Year2025
Specific Uses For ProductDirt Biking, Gravel, Road, Snow, Trail
Style NameClassic
Additional FeaturesDisc

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Frequently asked questions

Can I turn off pedal assist while keeping the bike on?

No, one reviewer notes pedal assist can only be disabled by powering the whole battery off, which complicates tight turns.

What is the E500's weight capacity?

The reinforced frame is rated for up to 330 pounds (150 kg).