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Hiboy

Hiboy EX6 Fat Tire Electric Bike

  • 500 watt motor, 25 mph top speed
  • 48V removable battery, 500 Wh
  • 41 mile range claimed
  • 20 inch wheels, 4 inches wide
  • 7 speeds, Shimano, twist grip
  • Front suspension, disc brakes
  • Pedal assist
  • Tool kit and manual included, assembly required

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

Our verdict

A pedal assist fat tire e-bike with front suspension and a Shimano drivetrain for roads, snow and trails. The weight field looks too low for an e-bike, so confirm it before ordering.

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ASIN: B0FP8N9799Model: EX6Category: Electric Bicycles

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Overview

Pedal assist from the motor works with a Shimano rear derailleur and a twist grip shifter, with a suspension fork up front and disc brakes at the wheels.

A sensible mix of motor, battery and gearing covers road, snow and trail use with a clear feature list. The weak points are the odd weight figure, no throttle and assembly work on arrival.

Who it's for

Taller riders who want an assist-only fat tire bike for varied surfaces fit the sizing. Shorter riders, or those wanting a throttle, should look elsewhere.

Pros and cons

Pros
  • Shimano seven speed drivetrain
  • Tool kit and manual included
Cons
  • No throttle listed
  • Weight field looks wrong
  • Tall minimum rider height

Performance notes

Pedal assist scales motor help to rider effort, and the battery energy sets how long that help lasts. The suspension fork and fat tires soften roots, snow and gravel, and disc brakes handle stopping. The twist grip shifter moves the rear derailleur through the gears.

Specifications

BrandHiboy
ModelEX6
Dimensions & fit
Wheel Size20 inches
SizeLarge
Wheel Width4 inches
Minimum User Height65 inches
Item weight30 pounds
Capacity & performance
Wattage500 watts
Number Of Speeds7
Bicycle Gear Shifter TypeTwist Grip
Maximum speed25 mph
Range41 miles
Power & efficiency
Lithium Battery Energy Content500 watt hours
Included components
Included ComponentsElectric Bike, Tool Kit, User Manual
Warranty & support
Warranty Description12-Month Warranty
Other details
Electric Assist TypePedal Assist
Brake StyleDisc
Suspension TypeFront
Bike TypeElectric Bike, Fat Tire
Is Assembly RequiredYes

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Frequently asked questions

What size is the Hiboy EX6 and who does it fit?

The size is Large with a minimum rider height of 65 inches. The listed weight of 30 pounds looks too low for an e-bike, so confirm it with the seller.

What terrain suits the Hiboy EX6?

The listed uses are dirt biking, road, snow and trail.