2025 HappyRun G300 Pro
The Most Affordable Adult Electric Dirt Bike Capable of 50 MPH
The fully upgraded 2025 HappyRun G300 Pro is, without a doubt, the most affordable adult electric dirt bike capable of reaching 50 mph. Built on the 3rd Generation HappyRun Power System, the G300 Pro combines raw off-road power with smart urban versatility β so you're never limited to just one kind of ride.
π₯ Unstoppable Power
The newly developed 6,500W Peak motor delivers significantly increased drive wheel torque for dominant acceleration on any terrain. Five adjustable speed levels put you in full control β from trail-shredding Off-Road Mode (up to 50 mph) to smooth City Mode (up to 28 mph) for daily commuting.
π Long-Range Battery
The 72V 30Ah lithium battery delivers 70+ miles of range per charge, with a full recharge in just 5β6 hours using the included 5A charger. More miles, less waiting.
ποΈ Premium Off-Road Engineering
The G300 Pro features a high-strength carbon steel forged frame, motorcycle-grade adjustable aluminum alloy front forks with 80β120mm of travel, and the proprietary HR rear suspension system for a planted, controlled feel across rough terrain.
π Confident Braking
High-performance hydraulic brakes with a 180mm front rotor and oversized 203mm rear rotor deliver fade-resistant stopping power when you need it most.
π Smart Display & Lighting
Stay informed with the innovative mid-mounted color LCD display. A 2,000-lumen LED headlight and integrated taillight with braking indicator keep you visible in all conditions. With an IPX5 waterproof rating, the G300 Pro is built for mud, rain, and adventure.
π₯ Built for All Riders
With a 31" seat height, support for riders 5'1" to 6'5", and a 350 lb payload capacity, the G300 Pro is accessible to a wide range of riders β from beginners to seasoned off-road enthusiasts.
The most affordable adult e-dirt bike in its class capable of reaching 50 mph β serious performance without the premium price tag.
Newly developed high-torque motor delivers dominant off-road acceleration and significantly increased drive wheel torque.
Long-range 72-volt system delivers 70+ miles per charge, reducing range anxiety on extended trail rides or commutes.
Dial in exactly the power you need β from safe urban cruising at 28 mph to full off-road fury at 50 mph.
Adjustable aluminum alloy front forks (80β120mm travel) + proprietary HR rear suspension for a smooth, controlled ride on any surface.
High-performance hydraulic brakes with an oversized 203mm rear rotor deliver reliable, fade-resistant stopping power.
Innovative mid-mounted digital color display shows speed, battery level, and ride mode clearly in all light conditions.
Bright LED lighting makes early-morning and late-night rides safe, whether on trails or roads.
Sealed electronics survive rain, mud, and stream crossings β ride confidently in any weather.
Fits riders 5'1" to 6'5" and up to 350 lbs, making the G300 Pro one of the most accessible e-dirt bikes available.
| Specification | G300 Pro (2025) | Typical Competitor A | Typical Competitor B |
|---|---|---|---|
| Peak Motor Power | 6,500W β | 3,000β4,000W | 4,000β5,000W |
| Top Speed (Off-Road) | 50 MPH β | 35β40 MPH | 40β45 MPH |
| Top Speed (City Mode) | 28 MPH | 20β25 MPH | 25β28 MPH |
| Battery | 72V / 30Ah β | 48β60V / 20Ah | 60β72V / 20Ah |
| Estimated Range | 70+ Miles β | 30β45 Miles | 40β55 Miles |
| Suspension | Full (Front + Rear) β | Front Only | Full |
| Fork Adjustability | 80β120mm Travel β | Fixed / 60mm | Fixed / 80mm |
| Brake Type | Hydraulic β | Mechanical | Hydraulic |
| Rear Rotor Size | 203mm β | 160mm | 180mm |
| Display | Color LCD β | Basic LED | Monochrome LCD |
| Headlight | 2,000 Lumens β | 500β800 Lumens | 1,000 Lumens |
| Waterproof Rating | IPX5 β | IPX4 | IPX4 |
| Speed Levels | 5 Adjustable β | 3 | 3β5 |
| Max Payload | 350 lbs β | 220β265 lbs | 265β300 lbs |
| Rider Height Range | 5'1" β 6'5" | 5'4" β 6'2" | 5'3" β 6'3" |
| Charge Time | 5β6 Hours (5A) | 6β8 Hours | 6β8 Hours |
| Frame Material | Carbon Steel Forged β | Standard Steel | Aluminum Alloy |
* Competitor data represents typical market averages in the same price segment.
Q What is the top speed of the G300 Pro?
In Off-Road Mode, the G300 Pro reaches up to 50 mph. In City Mode, speed is limited to 28 mph for safer urban riding. Five adjustable speed levels let you fine-tune performance to your preference and local regulations.
Q How far can I ride on a single charge?
The G300 Pro offers 70+ miles of range per charge with the 72V 30Ah lithium battery. Actual range varies based on rider weight, terrain, speed selection, and riding style.
Q How long does it take to charge?
Using the included 5A charger, a full charge takes approximately 5β6 hours.
Q Can I ride the G300 Pro in the rain?
Yes. The G300 Pro carries an IPX5 waterproof rating, meaning it withstands water jets from any direction. It's suitable for wet trails, light rain, and muddy conditions. Submersion should be avoided.
Q What size riders does the G300 Pro fit?
Recommended for riders between 5'1" and 6'5" tall, with a 31" seat height and a maximum payload of 350 lbs.
Q What type of brakes does the G300 Pro have?
Hydraulic brakes with a 180mm front rotor and an oversized 203mm rear rotor β larger than most competitors β for stronger, more reliable stopping power.
Q Is the suspension adjustable?
Yes. Motorcycle-grade adjustable aluminum alloy front forks with 80β120mm of travel, plus the proprietary HR rear suspension system for full off-road capability.
Q Is the G300 Pro street-legal?
Street legality varies by state and local regulations. In City Mode, the bike is speed-limited to 28 mph. Buyers are responsible for verifying local e-bike and electric motorcycle laws before riding on public roads.
Q What motor does the G300 Pro use?
A 3,000W continuous-rated motor with a 6,500W peak output, built on the 3rd Generation HappyRun Power System for maximized torque and performance.
Q Does the bike come assembled?
The G300 Pro ships partially assembled. Package dimensions are 57.3" Γ 13.2" Γ 29.5" for the bike and 21.3" Γ 9.8" Γ 7.1" for the battery. Basic assembly is required upon arrival.
Q What display does the G300 Pro have?
An innovative mid-mounted color LCD display shows speed, battery level, ride mode, and other key metrics at a glance in all lighting conditions.
Q What is the warranty and return policy?
Warranty and return policy details are available directly from HappyRun. Please review the official policy page or contact our customer support team before purchasing for the most up-to-date terms.
2025 HappyRun G300 Pro Β· Specifications subject to change without notice.