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Goat Power Bikes King Goat V3 vs Goat Power Bikes Billy Goat KD

These are not rivals; they are machines for different riders. The King Goat V3 is a 179 lb, 72V flagship with 8,500W peak and 65+ MPH in its 40Ah form, and the 62.5Ah build pushes to 12,500W and nearly 400 Nm. The Billy Goat KD is a 39 lb kids' e-bike capped at 19 MPH with a 150 lb limit. Buy the King Goat for an experienced adult who wants extreme power and range; buy the KD for a rider aged 8 to 13.

  • Choose the King Goat V3 if you are an adult rider who wants flagship power, a 450 lb load rating and highway-level speed.
  • Choose the Billy Goat KD if you are buying for a child aged 8 to 13 who needs a light, low, speed-limited first e-bike.

Prices

  • Goat Power Bikes King Goat V3: $3,555.00 at Goat Power Bikes (last seen Nov 13)
  • Goat Power Bikes Billy Goat KD: $799.00 at Goat Power Bikes (last seen Nov 13)
  • Difference: the Goat Power Bikes Billy Goat KD is $2,756.00 cheaper than the Goat Power Bikes King Goat V3 at the latest prices (Nov 13)
Goat Power Bikes
The King Goat V3

Goat Power Bikes King Goat V3

The King Goat V3

$3,555.00at Goat Power BikesChecked Nov 13
See all prices and details
Visit Goat Power Bikes
Pros
  • Over 65 MPH and 8,500W peak in the base 40Ah build
  • 62.5Ah version reaches 12,500W, nearly 400 Nm and Kinetic Energy Recovery
  • 450 lb max rider weight
  • Optional second battery takes capacity to 82.5Ah
  • Hydraulic brakes and inverted forks suit high speed
Cons
  • 179 lb total weight makes it hard to move or store
  • 34.7 in seat height is tall for shorter riders
  • 4 to 5 hour charge time
  • Battery ships separately in its own 75 lb box
Goat Power Bikes
The Billy Goat KD

Goat Power Bikes Billy Goat KD

The Billy Goat KD

$799.00at Goat Power BikesChecked Nov 13
See all prices and details
Visit Goat Power Bikes
Pros
  • 39 lb net weight is easy for a parent to lift and store
  • Low 24.5 in seat height suits young riders
  • Speed levels from 6 to 19 MPH let kids build confidence
  • 3 to 4 hour charge time
  • Aluminum frame, disc brake and LED lights
Cons
  • 150 lb max load rules out most adults
  • 250W motor and 19 MPH cap limit it to kid use
  • 36V 10Ah battery gives short range
  • Not built for traffic or long distance

What separates them

Goat Power Bikes King Goat V3Goat Power Bikes Billy Goat KD
Motor8,500W peak, 320 Nm in the 40Ah build; 12,500W and nearly 400 Nm in the 62.5Ah build250W
Top speedOver 65 MPH19 MPH in Power Mode, 12 MPH in Standard Mode
Battery72V, 40Ah (2,880 Wh) or 62.5Ah, with an optional 20Ah second pack for 82.5Ah36V 10Ah
Weight179 lb with battery; the battery alone is 45 lb39 lb net; battery is 5 lb
Seat height34.7 in24.5 in
Max rider weight450 lb150 lb
Brakes and chassisInverted forks, DOT-4 Karasawa hydraulic brakes, upgraded rear suspension160mm disc brake, aluminum frame, 16x3.0 tires
Charge time4 to 5 hours3 to 4 hours

Price history

$3,555.00$559.30
Nov 6Nov 13
  • Goat Power Bikes King Goat V3: lowest $3,555.00 on Nov 13 at Bolton Ebikes.
  • Goat Power Bikes Billy Goat KD: lowest $559.30 on Nov 13 at Goat Power Bikes.

Prices at every store

Goat Power Bikes King Goat V3

  • Goat Power BikesNew

    In stockReturn policy

    $3,555.00Checked Nov 13
    Visit Goat Power Bikes
  • Bolton EbikesNew

    In stock

    $3,555.00Checked Nov 13
    Visit Bolton Ebikes

Also available at

  • eBike HaulCheck price at eBike Haul
All 2 stores and price history →

Goat Power Bikes Billy Goat KD

  • Goat Power BikesNew

    In stock

    $799.00Free shippingChecked Nov 13
    Visit Goat Power Bikes

Also available at

  • Goat Power BikesCheck price at Goat Power Bikes
Prices and history →

Specs compared

SpecGoat Power Bikes King Goat V3Goat Power Bikes Billy Goat KD
Battery weight45LBS5LBS
Seat height34.7 Inches24.5in
Wheelbase53 Inches52in
Motor torque320Nm—
Peak power8,500W—
Top speedover 65 MPH—
Battery capacity40 Ah—
Battery voltage72Vdc—
Watt hour2880WH—
Charge time4-5h—
Weight including battery179LBS—
Max rider weight450LBS—
Show all 21 specsShow fewer specs
SpecGoat Power Bikes King Goat V3Goat Power Bikes Billy Goat KD
Motor power—250W
Battery—36V10AH
Battery size—11x3x4in
Charging time—3-4H
Max speed standard—Level 1: 6MPH Level 2: 9MPH Level 3: 12MPH
Max speed power—Level 1: 9MPH Level 2: 13MPH Level 3: 19MPH
Dimensions—76x30x42in
Net weight—39LBS
Max load—150LBS

What reviewers say

Goat Power Bikes King Goat V3

What people mention
  • PowerPraisedRiders describe the V3 controller and revised gear ratio as giving stronger, smoother acceleration.
  • WeightCriticisedAt 179 lbs with a 45 lb battery, owners say it is hard to move around and park.
  • Seat heightCriticisedThe 34.7-inch seat height is called out as too tall for shorter riders.
  • RangePraisedThe optional tank-style battery extends range past 200 miles for long rides.

Questions and answers

Which is better for a beginner?
The Billy Goat KD. Its speed levels start at 6 MPH and top out at 19 MPH, and the low seat lets a young rider plant both feet. The King Goat V3 is a 65+ MPH machine for experienced adults.
Can an adult ride the Billy Goat KD?
Only if the rider is under the 150 lb max load. The frame and 250W motor are sized for riders aged 8 to 13, so most adults exceed it.
Which lasts longer?
The King Goat V3 has the heavier-duty parts: inverted forks, DOT-4 hydraulic brakes and a 45 lb 72V pack. The KD's aluminum frame and disc brake are built for light kid use, not years of hard riding.
Is the 62.5Ah King Goat worth stepping up to over the 40Ah?
Yes if you want maximum power and range. It adds roughly 30% more peak power, nearly 400 Nm, Kinetic Energy Recovery and an SVolt EV battery, and it accepts the optional 20Ah pack for 82.5Ah.
Which is easier to store and transport?
The Billy Goat KD at 39 lb. The King Goat V3 weighs 179 lb with the battery, and the battery alone is 45 lb.
Do both come from the same brand?
Yes, both are Goat Power Bikes models, so the choice comes down to rider size and intended speed, not brand.

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