The HappyRun G300 SE is an electric mini dirt bike with a mid-drive motor, built for teens and adults. It features a high-strength carbon steel frame, full suspension, hydraulic disc brakes, and off-road tires for controlled riding across urban routes and off-road terrain.

Powered by a 4500W peak mid-drive motor and a 48V 26Ah lithium battery, the G300 SE reaches up to 36 MPH and offers up to 45 miles of riding range. It also includes an integrated LCD display, full twist throttle, 500-lumen front light, LED taillight with braking indicator, and IPX5 waterproof grade protection.

Key Features

Top Speed

UP To 36 MPH

PEAK MOTOR

4500W

Range

Up to 45 Miles

MAX LOAD

330 lbs

Battery

48V 26Ah

Brakes

Hydraulic
Brakes


Technical Specifications

Model Tank G300 SE

Speed & Range

Top Speed Up To 36 MPH
Riding Range 45 Miles
Gearing & Rear Derailleur Single Speed

Electronics

Battery 48V 26Ah Lithium Battery (1248 Wh)
Motor 4500W Peak Mid-Drive Motor
Torque 220 N·m Peak Torque
Charger 54.6V 2A
Display Integrated LCD Display Meter
Throttle Full Twist Throttle
Front Light 500 Lumen
Taillight LED Taillight (Braking Indicator)
Waterproof Grade IPX5

Frameset

Frame High-Strength Carbon Steel Frame
Suspensions Full Suspension
Front Fork Hydraulic Suspension
Rear Fork Coil Suspension
Tires (Front) 60/100-14
Tires (Rear) 80/100-12

Brake

Brakes Hydraulic Disc Brakes
Brake Disc 190 mm
Brake Levers Aluminum Alloy

Bike Dimension

Bike Weight (with Battery) 123.5 lbs (56 kg)
Bike Weight (without Battery) 106.9 lbs (48.5 kg)
Package Weight 145.5 lbs (66kg)
Package Dimensions 57 "Ă— 11 " Ă— 32" (1450mm*280mm*800mm)
Total Payload 330 lbs (150 kg)
Recommended Rider Height 3'11" - 6'1"
Seat Height 29"

6'0"

6'0"Height

Slide the scale for your bike inseam measurement

✓ TANK G300 SE

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

Tank G300 SE rider height fit guide

Geometry

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

One Size Fits Most

A - Total Length
68.5" (1740 mm)
B - Handlebar Height
38.2" (970 mm)
C - Wheelbase
43.9" (1115mm)
D - Seat Height
29.1" (739 mm)
Off-Road Tires
Front 60/100-14, Rear 80/100-12
Rider Height (Range)
3'11" - 6'1" (1200-1850 mm)
Tank G300 SE geometry diagram
FAQs

FAQS

What's the height/weight of this e-bike?
HappyRun G300 SE electric dirt bike recommended rider height is 3'11" - 6'1", payload 330 lbs at maximum. The seat height of G300 SE is 29.1 inches.
Any assembly required?
The bike is 85% 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 SE battery?
A full charge takes about 7 hours, while 2.5 hours will charge the battery to 40%-80%. The G300 SE features a 48V 26Ah battery, and the charger is rated at 54.6V 2Ah, supporting fast charging.
Is G300 SE a fast electric dirt bike?
The G300 SE is a fast electric dirt bike that can reach a top speed of 36mph. But its speed is affected by the battery level and the weight of the rider.
What is the best electric dirt bike for teenagers?
Among many electric dirt bikes, the Happyrun G300 SE 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 G300 SE. 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 SE is perfect for beginners. Electric dirt bikes are quieter and easier to maintain than gas-powered bikes, and with 3 adjustable speed levels, new riders can start slowly, build confidence, and then fully unlock the bike's potential.

FEATURES

HappyRun Tank G300 SE

Stop Compromising: Experience Elite Performance at an Unbeatable Value. The TANK G300 SE challenges the market by pairing a best-in-class 4500W Mid-Drive Motor and a massive 48V 26Ah battery with a surprisingly affordable price point. The central placement of the motor ensures superb balance, giving the G300 SE nimble, responsive handling that excels both in urban navigation and off-road exploration. Developed in response to customer demand for a powerful yet easy-to-manage e-bike, its exceptional control and comfort make it the ideal choice for riders of all skill levels—from seasoned commuters to supervised teens looking to become faster, more efficient riders. With the G300 SE, you're investing in triple the power and premium features like Full Suspension, not a premium price tag.

4500W Mid-Drive Untamed Power

4500W Mid-Drive Untamed Power

Unleash 4500W Peak power and 220 N·m of torque. Mid-drive design ensures superior balance and efficiency. Conquer any terrain. Embrace adventure.

26Ah Battery Extended Range Easy Charge

26Ah Battery Extended Range Easy Charge

Powering up to 45 miles, the high-capacity 48V 26Ah (1248 Wh) battery is built with premium automotive-grade cells and is fully removable for convenient charging.

Full Suspension Customized Comfort

Full Suspension Customized Comfort

Equipped with a Pro-Grade Full Suspension system. The front features Adjustable Hydraulic Forks for fine-tuning damping and preload. Paired with a robust rear coil, this guarantees superior shock absorption and a cushioned ride on any terrain.

Hydraulic Brakes Absolute Confidence

Hydraulic Brakes Absolute Confidence

Heavy-Duty Hydraulic Disc Brakes and oversized 190mm rotors deliver immense stopping power and precise control with minimal effort. Maintain total command and safety when decelerating from high speeds.

Heavy-Duty Tires 330 lbs Capacity

Heavy-Duty Tires 330 lbs Capacity

Specialized Puncture-Resistant Tires offer superior grip and durability, significantly reducing flats. The robust frame and extra-long comfort seat support a 330 lbs max payload, fitting riders from 3'11" to 6'1".

LCD Display Simple Intuitive Control

LCD Display Simple Intuitive Control

Streamlined, highly readable LCD Display is mounted for easy data checking. The ergonomic design ensures intuitive operation, keeping you focused on the ride for a seamless experience.

Integrated Lighting Day and Night Safety

Integrated Lighting Day & Night Safety

Features a 500 LUX Headlight and a multi-functional (Brake/Turn) LED Taillight. It ensures a clear path and keeps you noticed by traffic, guaranteeing safety in all conditions.


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