US
Enffe

ES2 Ultra Off Road Electric Bike

  • Electric Bicycle
  • 20 inches
  • 1080 Wh
  • Corded electric
4.4/ 5 on Amazon11Amazon ratings2.7ProductDome score
Limited evidenceLast refreshed Jun 21, 2026Amazon data + ProductDome analysis · methodology
Best forYou want strong torque for hilly commutes with full suspension comfort.

Riders describe climbing steep grades on throttle alone, with battery to spare after hilly rides, though one buyer's crank developed a grinding noise after about a month.

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ProductDome scorecard

How it ranks among the 478 electric bicycles we track

2.7/ 5ProductDome scoreLimited evidence
Owner satisfaction · 63% of scorecategory median 4.4★4.3

4.4★ across 11 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 19% of scorecategory median 13 ratings1.3

11 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Data quality · 13% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 478 electric bicycles we track - how the scorecard works · full electric bicycles data report. Confidence: limited - limited rating history.Last refreshed Jun 21, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Enffe ES2 Ultra is a 20 inch fat tire electric bike with full suspension, a 48V 22.5Ah removable battery, 92Nm of torque from a motor rated to 1500W peak, 7-speed gearing and an NFC LCD display.

Enffe rates range at up to 60 miles on electric power alone and up to 100 miles in assist mode, figures at the high end of what a rider will see day to day. One reviewer who rode 16 hilly miles round trip still had 36% battery remaining, a more useful data point than the marketing ceiling.

  • 48V 22.5Ah removable battery pack
  • Peak 1500W motor with 92Nm of torque
  • 20x4.0 inch fat tires with full suspension
  • NFC LCD display paired with hydraulic disc brakes

Who it's for

Riders wanting real torque for hilly commutes without needing to pedal, in a bike that ships close to ready to ride. Riders around 5'6" with shorter legs may find the wide seat crowds pedal reach, per one reviewer, so it suits taller riders more comfortably.

What buyers say

From Amazon customer reviews.

Seven of eight reviews rate it 5 stars. Buyers praised comfortable, stable handling and strong hill climbing on throttle alone, with one reaching 30mph on flat ground at 175 lbs and 36% battery left after a 16-mile hilly ride. One reviewer reported a grinding crank noise after about a month, and another crashed the bike at speed, calling it their own fault.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Climbs hills without pedaling, per reviewers
  • Full suspension dampens rough trail impacts
  • Ships about 90 percent pre-assembled
  • Quick replacement parts for a broken reflector

Performance notes

One reviewer described the steepest hills as slow going at 10-15mph on throttle alone but said light pedaling sped things up with little exertion required, calling the power delivery well set up overall.

Specifications

BrandEnffe
ModelES2S
Dimensions & fit
Wheel Size20 inches
SizeLarge
Capacity & performance
Bicycle Gear Shifter TypeTrigger
Bicycle Drivetrain Typechain drive
Number Of Speeds7
Age Range DescriptionAdult
Power & efficiency
Lithium Battery Energy Content1080 Wh
Power SourceCorded electric
Construction & materials
Frame Material TypeAluminum
Wheel MaterialAluminum
ColorGreen
Included components
Included ComponentsCharger, Headlight, Horn, Mudguard
Warranty & support
Warranty TypeLimited
Warranty Description1 year
Other details
Bike TypeElectric Bike
Suspension TypeDual
Electric Assist Typepedal assist, throttle assist
Is Assembly RequiredYes
Model Year2025
Additional FeaturesDigital Display, Dual Disc Brake, Dual Suspension, Headlight, Taillight
Brake StyleDisc
Specific Uses For ProductTrail
Style NameMilitary
Derailleur ConfigurationRear
ThemeSport

How it compares

This product against the closest alternatives we track in electric bicycles.

ProductAmazon ratingRatingsProductDome score
ES2 Ultra Off Road Electric BikeThis product4.4 / 5112.7 / 5
Wooken Electric Bike for Adults with 500W MotorWooken4.4 / 53124.1 / 5
TotGuard Electric BikeTotGuard4.4 / 52864.1 / 5
ANCHEER 14" Folding Electric Bike for TeensAncheer4.2 / 53294.0 / 5
Gotrax 16" Folding Electric BikeBrand4.4 / 55554.0 / 5
Frequently asked

Questions about the Enffe ES2S

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

How far will the ES2 Ultra go on a charge?

Enffe rates it up to 60 miles on electric mode alone and up to 100 miles in assist mode, though a reviewer's 16-mile hilly round trip still left 36% battery, suggesting real-world range varies with terrain.

Does it arrive assembled?

It ships about 90% pre-assembled with pedals and a seat included.

Have any mechanical issues been reported?

One reviewer reported a grinding noise from the crank after roughly a month of use.