G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
HappyRun G300 Pro camo electric dirt bike, front three-quarter view
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
HappyRun G300 Pro camo electric dirt bike, front three-quarter view
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
G300 Pro 50 MPH High Speed Electric Dirt Trail Machine
Top Speed
Top Speed
50 MPH
PEAK MOTOR
Peak Motor
6500W
Max Range
Max Range
70 Miles
Max Load
Max Load
350Lbs
Battery
Battery
72V 30Ah
Brakes
Brakes
Hydraulic Brakes

G300 Pro 50 MPH High Speed Electric Dirt Trail Machine

  • Peak Motor: 6500W
  • Battery: 72V 30Ah
  • Top Speed: 50 MPH
  • Max Range: 70 Miles
  • Max Load: 350Lbs
  • Wheel Setup: Front 19" / Rear 17"
  • Suitable Height: 5'1" - 6'5"
$3,499.00 $1,799.00
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Delivery Time: Most orders arrive in 3-5 business days. Some may take 7+ days due to weather, remote areas, or courier delays.

Free Shipping to US except Alaska, Hawaii, Puerto Rico & other US territories.

14-Day Trial - Return it to us if you're not 100% satisfied with your purchase. Restocking fee applies.

2-Year Limited Warranty - our industry-leading 2-year warranty on our frames, plus official coverage for all key motors and electrical components. See details here.

Top Speed
50 MPH
Top Speed
Peak Motor
6500W
Peak Motor
Max Range
70 Miles
Max Range
Max Load
350Lbs
Max Load
Battery
72V 30Ah
Battery
Brakes
Hydraulic Brakes
Brakes
Explore More Features
Model Tank G300 Pro

Speed & Range
Speed Offroad Mode: Max Speed 50 MPH;
City Mode: Max Speed 28 MPH.
Range 70+ Miles
Gearing & Rear Derailleur Single Speed

Electronics
Battery 72V 30Ah Lithium Battery
Motor Peak Motor Power 6500W 
Charger 5-6 Hours, 5A Charger
Display Mid-Mounted Color LCD Display
Throttle Half Twist Throttle
Front Light 2000 Lumens LED Light
Taillight Braking Indicator, Integrated Taillight
Waterproof Grade IPX5

Frameset
Frame High-Strength Carbon Steel Frame
Suspensions Full Suspensions
Front Fork Adjustable Aluminum Alloy Fork with 80 mm- 120 mm Travel
Tires Front 70/100-19, Rear 70/100-17

Brake
Brakes Hydraulic Brake
Brake Levers Aluminum Alloy
Rotors Front 180mm, Rear 203mm

Bike Dimension
Bike Weight 136.8 lbs
Bike Package Size 1455*335*750mm/57.3" × 13.2" × 29.5"
Battery Package Size 54*25*18 cm /21.3" × 9.8" × 7.1"
Total Payload 350 lbs
Recommended Rider Height 5'1" - 6'5"
Seat Height 31"

Use the specifications above to review the HappyRun G300 Pro's riding modes, power system, chassis, braking setup, dimensions, and rider fit. For a broader model comparison, browse our high-performance electric dirt bikes and compare the configurations available for different off-road riding needs.

Delivery: 3–5 business days within the continental U.S. Remote areas or carrier delays may require 7+ business days.


📌Multiple Packages: For safe transportation, your order may arrive in separate shipments. The battery, charger, battery keys, and pedals will ship separately via FedEx with their own tracking number(s).

Free Gifts (Continental U.S. only): Gifts may arrive with your e-bike or separately, typically 5–10 business days after your order ships.

The gift - goggles: 3 colors available, randomly chosen. Color received may differ from photo.

Helmet Size (Default: L) — 22.83"–23.23" (58–59 cm) (Fits most adult and teenage riders). Ships separately with tracking.

Alternative Sizes:

  • M: 22.05"–22.44" (56–57 cm)
  • XL: 23.62"–24.02" (60–61 cm)

💡 Need M or XL? Leave an order note at checkout or contact customer support before shipping.

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5'10"Height

Slide the scale for your bike inseam measurement

Tank G300 Pro

You will be able to pedal and stand over the frame comfortably.

Tank G300 Pro

You may experience discomfort on extended riding periods.

happyrun - 6500w electric dirt bike

Geometry

G300 Pro Ebike is available in 1 sizes to suit most adults.

One Size Fits Most
A - Total Length 68.5" (1740 mm)
B - Handlebar Height 44" (1118 mm)
C - Wheelbase 47.2" (1199 mm)
D - Seat Height 31" (787 mm)
Off-Road Tires Front 70/100-19,Rear 70/100-17
Rider Height (Range) 5'1" - 6'5" (1540-1960 mm)
HappyRun G300 Pro electric dirt bike geometry

FAQs

What's the height/weight of this e-bike?
HappyRun G300 Pro electric dirt bike recommended rider height is 5'1" ~ 6'5", payload 350 lbs at maximum. The seat height of G300 Pro is 31 inches.
Any assembly required?
The bike is 80% assembled when you receive the package. It's very easy to install and there is also a guidance video link QR code on the screen.
Can the battery be removed for charging?
Yes, this electric dirt bike for adults has a removable battery.
How long does it take to fully charge the G300 Pro battery?
A full charge takes about 5 hours, while 2.5 hours will charge the battery to 40%-80%. The G300 Pro features a 72V 30Ah battery, and the charger is rated at 84V 5Ah, supporting fast charging.
Is G300 Pro a fast electric dirt bike?
The G300 Pro is a fast electric dirt bike that can reach a top speed of 50mph. But its speed is affected by the battery level and the weight of the rider.
What is the best electric dirt bike for adults?
Among many fast electric dirt bikes, the Happyrun G300 Pro stands out among electric dirt bikes with its price advantage. It makes it easy for off-road enthusiasts to get a powerful, feature-packed electric dirt bike at a remarkably affordable price.
Where can I find an electric dirt bike for sale?
You can find the best electric dirt bike for you - the HappyRun G300pro. HappyRun also has stores where you can test ride the bikes.
Are electric dirt bikes good for beginners?
Yes! The HappyRun electric dirt bike G300 pro is perfect for beginners. Electric dirt bikes are quieter and easier to maintain than gas-powered bikes, and with 5 adjustable speed levels, new riders can start slowly, build confidence, and then fully unlock the bike's potential.

HappyRun Tank G300 Pro

FEATURES
Among adult electric dirt bikes capable of reaching 50 mph, the fully upgraded 2025 HappyRun G300 Pro is, without a doubt, the most affordable high-speed electric dirt bike! It features a carbon steel forged frame and a newly developed 6500W (Peak) high-performance motor. The drive wheel torque is significantly increased, and the speed can be adjusted across five levels. This allows you to fully enjoy riding in the wild and showcase the ultimate off-road power. The G300 Pro is based on the 3rd Generation HappyRun Power System and is equipped with higher-performance off-road brakes, high-quality motorcycle aluminum alloy front forks, the proprietary HR suspension system, and an innovative color digital display function. These features dramatically enhance the G300 Pro's off-road capability while balancing urban commuting needs, making it suitable for a wider range of riders.

With its 72V 30Ah battery, adjustable speed levels, full suspension, and hydraulic braking, the G300 Pro suits riders comparing high-performance electric dirt bikes for off-road and mixed-surface riding.

High-speed thrills
Class 1/2: 13 Mph
Class 3/4: 25 Mph
Class 5 Off Road: Up to 50 Mph
72V Removable Battery
The 72V 30Ah removable battery gives up to 70 miles of range. With fast-charging capabilities, you’ll get up to 80% charge in just 2.5 hours, and a full charge in 5–6 hours—cutting downtime and getting you back on the road faster.
72V 6500W Motor
Powered by a 72V 3000W motor with a peak output of 6500W, this beast delivers insane torque and speed—reaching up to 50 mph for a next-level riding rush.
Full-Color LCD Display
A vibrant LCD display keeps key info front and center—speed, PAS level, battery life, and mileage all at a glance. Ride smarter and stay in control.
Inverted Suspension System
Inverted front suspension designed specifically for the G300 Pro, high-performance inverted front fork. The vertical rear shock absorber of G300 Pro is equipped with a bolder design, which allows G300 Pro to be as smooth as walking on flat ground in various road conditions and to obtain sufficient buffering in off-road.
Hydraulic Disc Brakes
The hydraulic braking system, equipped with larger rotors, gives you stronger and reliable stopping power. Essential for high-speed riding, it ensures you can stop quickly and safely when it counts.
High-Traction Tires
Equipped with 17-inch high-traction tires built for grip and stability, this setup handles rough, loose, or uneven terrain with ease. A true all-terrain performer.
Bright Lighting System
Ride confidently day or night with a 2000-lumen front headlight and integrated rear turn signals. Whether you’re on the street or hitting the trails, visibility and safety stay top-notch.
Integrated Tail and Turn Signals
The G300 Pro features an integrated tail light and turn signal system. The bright, highly visible Red LED taillight paired with turn signals ensures maximum visibility to other road users under all lighting conditions.

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Love It! I just completed a 26 mile trail run in the mountains of Washington.
- @Kevin T.

 I get to ride myself to scenic places to just sit and be thankful for life.
- @Frederick T.