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Deal.ai › Compare

Jasion YR16 Electric Bike vs Euybike S4 Moped-Style Electric Bike

The Euybike S4 is the stronger pick for most adults: a 48V 25Ah battery, 1000W peak motor with 96 N·m of torque, 400 lb payload and 20-inch fat tires make it a real moped replacement, and its 4.9 rating from 240 owners backs that up. The Jasion YR16 is a compact, low-standover starter bike for teens and riders under about 5'5", with dual suspension and a removable battery, but its carbon steel frame is heavy and owners report a fixed seat height and quick battery drain. Build quality favors the S4; the YR16 wins only on fitting small riders and tight storage.

  • Choose the Jasion YR16 if you are buying for a teen or a rider around 4'7" to 5'5" who wants a light-duty, dual-suspension fat-tire bike for neighborhood and light trail rides.
  • Choose the Euybike S4 if you are an adult who wants long range, strong hill-climbing torque, a 400 lb payload for cargo or a passenger, and 20-inch fat tires for mixed pavement and light off-road use.

Prices

  • Jasion YR16 Electric Bike: $474.99 at Walmart (last seen Nov 13)
  • Euybike S4 Moped-Style Electric Bike: $447.36 at CuyBike (last seen Nov 9)
  • Difference: the Euybike S4 Moped-Style Electric Bike is $27.63 cheaper than the Jasion YR16 Electric Bike at the latest prices (Nov 9 and Nov 13)
Jasion
Jasion YR16 Electric Bike

Jasion YR16 Electric Bike

4.2(61 ratings)
$474.99at WalmartChecked 16 h ago
See all prices and details
Visit Walmart
Pros
  • Fits short and teen riders that full-size e-bikes do not
  • Dual suspension and a padded seat soften rough pavement
  • Removable battery with anti-theft design and built-in BMS
  • Hydraulic disc brakes and UL 2849 certification
  • Simple assembly out of the box
Cons
  • Heavy carbon steel frame at around 75 lb
  • Fixed seat height sits lower than some riders expect
  • Battery drains fast under heavy throttle use
  • Some units shipped without the advertised turn signals
  • Needs frequent weekly and monthly maintenance
S
S4 Long Range Moped-Style Electric Bike

Euybike S4 Moped-Style Electric Bike

S4 Long Range Moped-Style Electric Bike

4.9(240 ratings)
$447.36at CuyBikeChecked Nov 9
See all prices and details
Visit CuyBike
Pros
  • Long range from a 1200Wh battery
  • Strong 96 N·m torque for steep hills
  • 400 lb payload handles cargo and a passenger
  • 20-inch fat tires and full suspension for light trails
  • High owner rating across a large number of reviews
Cons
  • Brake issues reported, including air in the rear line
  • Occasional flat tire on first rides
  • Settings take trial and error to dial in
  • Heavier and bulkier to store than a 16-inch bike

What separates them

Jasion YR16 Electric BikeEuybike S4 Moped-Style Electric Bike
Battery capacity48V 12.5Ah, about 600Wh48V 25Ah, about 1200Wh
RangeUp to 55 miles in pedal assistUp to 100 miles claimed; roughly 45–60 miles in real use
Motor and torque500W nominal, 2000W peak, geared hub1500W with 96 N·m peak torque
Wheel and tire size16 x 4.0-inch fat tires, compact stance20 x 4.0-inch fat tires, more stable at speed
Rider fitRiders about 4'7" to 5'5"; seat height is fixedAdult sizing with 7-speed Shimano gearing
Payload330 lb max load400 lb payload
SuspensionDual suspension with four shocksDual-crown front fork plus mid-mounted shock
Owner ratings4.2 out of 5 from 61 ratings4.9 out of 5 from 240 ratings

Price history

$679.99$399.99
Oct 28Nov 14
  • Jasion YR16 Electric Bike: lowest $399.99 on Oct 28 at Amazon; $399.99 on Nov 14.

Prices at every store

Jasion YR16 Electric Bike

  • WalmartNew

    In stockSold by Heybike Direct

    $489.99Checked Nov 9
    Visit Walmart
  • WalmartNew

    Availability unknownSold by Heybike Direct

    $474.99Free shippingChecked 16 h ago
    Visit Walmart
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $399.99+ $99.99 shippingChecked 16 h ago
    Visit Amazon
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $679.99Checked Nov 4
    Visit Amazon

Store links may earn us a commission.

All 2 stores and price history →

Euybike S4 Moped-Style Electric Bike

  • CuyBikeNew

    In stockReturn policy

    $447.36Checked Nov 9
    Visit CuyBike
  • euybikeNew

    In stockShips from China · duties may applyReturn policy

    $729.00Checked Nov 12
    Visit euybike
All 2 stores and price history →

Specs compared

SpecJasion YR16 Electric BikeEuybike S4 Moped-Style Electric Bike
Motor power2000W peak1500W
Battery capacity600Wh48V 25Ah
Charging Time6 hr7-8 hours
Battery48V 12.5Ah removable—
Range55 miles—
Tire size16"x4.0" fat tires—
Wheel size16 Inches—
SuspensionDual suspension—
Number of speeds7-speed drivetrain—
Rider height4'7" to 5'5"—
Top speed22 MPH—
Frame materialHight Carbon Steel—
Show all 40 specsShow fewer specs
SpecJasion YR16 Electric BikeEuybike S4 Moped-Style Electric Bike
ColorBlack—
PatternYR16—
Bicycle TypeMountain Bikes—
Maximum Travel Distance55 mi—
Maximum Speed28 mph—
Electric Bicycle ClassClass 3—
Bicycle Brake DesignHydraulic Disc Brakes—
Volts48 Volts—
Watts500 Watts—
Speeds

What reviewers say

Jasion YR16 Electric Bike

  • 4.2 / 561 ratings

Buyers rate the YR16 well as a starter e-bike, praising its looks, quick assembly and easy handling. Complaints center on the fixed low seat, fast battery drain under heavy use and turn signals that were advertised but missing on some bikes.

What people mention
  • AssemblyPraisedBuyers say it goes together simply and quickly after unboxing.
  • Seat heightCriticisedThe seat is fixed and non-adjustable, and some riders find it sits lower than expected.
  • Battery drainCriticisedOwners report the battery drains quickly under heavy use.
  • HandlingPraisedRiders describe easy braking and maneuvering and a fun ride.

Euybike S4 Moped-Style Electric Bike

  • 4.9 / 5240 ratings

Owners rate the S4 highly, praising its torque, speed and long battery life for the money. Assembly is described as manageable for a first e-bike, and it handles light trails and passengers well. The main complaints are brake issues and an occasional flat out of the box.

What people mention
  • Torque and speedPraisedRiders say the motor pulls hard up hills and reaches its 28 mph top speed without strain.
  • Battery lifePraisedOwners report long range per charge and are satisfied with how far it goes.
  • AssemblyPraisedBuyers describe setup as straightforward, about an hour even for a first e-bike.
  • BrakesCriticised

Questions and answers

Which is better for a teenager?
The Jasion YR16. Its compact frame and 16-inch wheels suit riders from about 4'7" to 5'5", and the lower standover is easier for new riders. The S4 is sized for adults.
Which has the longer range?
The Euybike S4. Its 48V 25Ah battery is roughly double the YR16's capacity, and owners report 45–60 miles in mixed use versus the YR16's 55-mile pedal-assist claim that shrinks with throttle use.
Which climbs hills better?
The S4. Its 96 N·m of torque and 1500W motor pull steep grades with less effort. The YR16 handles moderate inclines but is a 500W nominal bike.
Is the S4 worth stepping up to over the YR16?
For an adult riding regularly, yes. You get more than twice the battery, a 400 lb payload, larger wheels and much stronger owner feedback. For a teen's first bike, the YR16 is the more sensible fit.
Which is easier to live with day to day?
The YR16 is smaller and easier to store, but owners report more maintenance and faster battery drain. The S4 needs less charging but is bulkier and has had brake bleeding complaints.
Do both have suspension and disc brakes?
Yes. Both use full suspension and disc brakes. The YR16 lists hydraulic discs; the S4 uses 180mm discs and has some owner reports of soft rear brakes.

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Buying guides that pick them

  • Best moped-style electric bikes with 16-inch fat tires
1
—
Max Load330 lb—
Frame Size16 in—
Motor TypeGeared Hub—
Battery Life2 years—
Rim Material‎Aluminum—
Has Nrtl Listing CertificationY—
Is Assembly RequiredY—
Height Range4'7—
Amps2 A—
Power TypeBattery—
Bicycle Tire Size16inch—
Weight75 lb—
BrandJasion—
Age groupAdult—
Size descriptorSmall—
Battery Energy—1200 Wh
Estimated Range—100 Miles
Payload Capacity—400 Lbs
Some owners report brakes failing or needing pumping because of air in the rear brake line.