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Shop PromotionsHappyRun G300 SE Electric Mini Dirt Bike with Mid-Drive for Teens & Adults
Sales tax, if applicable, is calculated at checkout.
Delivery: 2–7 business days.
Returns & support: Covered by manufacturer warranty, with parts and repair support. See Returns & Refunds for details.
Published rider height 49.0–73.0 in · Published payload capacity 330.0 lb
Shipping, financing, warranty & support View details
Built to help you choose with confidence
Explore the key specifications, fit guidance, delivery information, warranty coverage and ownership details for this model. Need help choosing a configuration? Our specialists are here to help.
HappyRun G300 SE Mid-Drive Mini Dirt Bike
The G300 SE pairs a compact frame with a 4,500W peak mid-drive motor, removable 48V 26Ah battery, and full suspension. It is a powerful off-road choice for riders who want a smaller bike footprint; confirm rider fit and a suitable riding area before ordering.
- Motor: 4,500W peak mid-drive; 220 N·m published peak torque.
- Battery: 48V 26Ah (1,248Wh), removable for charging.
- Published performance: Up to 36 mph and up to 45 miles per charge. Speed and range depend on riding conditions.
- Suspension: Hydraulic front fork and rear coil shock.
- Brakes: Hydraulic discs with 190 mm rotors.
- Tires: 60/100-14 front and 80/100-12 rear.
- Fit: 29 inch seat height; HappyRun publishes a rider-height range of 3 ft 11 in to 6 ft 1 in. Check reach and control before riding.
- Weight and capacity: 123.5 lb with battery; 330 lb published maximum payload.
Off-road riding and fit
The G300 SE is a throttle-driven electric dirt bike. Check local rules and trail access; off-road use only, not street legal. Younger riders need appropriate adult supervision, training, and protective equipment. Published peak power, speed, and range are manufacturer figures.
Geometry and setup
Rider videos
Off-road use only. Not street legal. Top speed: 36 mph (manufacturer published).
Real Rider Reviews
“Reviewing The New HappyRun G300SE” by Jordan Reviews on YouTube.
Watt Wheelz note: We share real rider videos so you can see the happyrun G300 SE in action before you buy. Questions about fit, range or setup? Email us at support@wattwheelz.com.
Detailed specifications
Key technical details for this model are organized below for fast comparison and confident decision-making.
Performance
- Peak motor
- 4500W
- Torque
- 220.0 Nm
- Top speed
- 36.0 mph
Battery & range
- Published range
- 45.0 miles
- Battery voltage
- 48.0V
Fit & capacity
- Rider height
- 49.0–73.0 in
- Payload
- 330.0 lb
- Product weight
- 123.5 lb
Components
- Brakes
- Hydraulic disc brakes
- Front suspension
- Hydraulic suspension fork
- Rear suspension
- Coil suspension
- Tires
- 60/100-14 front and 80/100-12 rear
Catalog details
- Brand
- happyrun
- Category
- Electric Dirt Bikes
- SKU
- G300se-or
Performance and range can vary with rider weight, terrain, temperature, tire pressure, riding style and configuration.
Fit & intended use
Published rider-height guidance: 49.0–73.0 in.
Published payload capacity: 330.0 lb.
Ownership essentials
- Check local riding rules for your intended roads, trails or riding areas.
- Follow the manufacturer’s charging, storage and maintenance guidance.
- Expect real-world range and speed to vary with riding conditions and setup.
- Our team can help with fit, setup, terrain and compatibility questions.
What to expect after ordering
Estimated delivery: 2–7 business days. We’ll move your order through fulfillment, assign the appropriate parcel or freight carrier, and provide tracking or delivery coordination as it becomes available.
Your order and selected configuration are prepared for fulfillment.
Parcel or freight service is selected based on product size and destination.
Tracking or delivery coordination is provided as soon as it becomes available.
Inspect the shipment promptly and document visible damage before discarding packaging.
Free shipping applies only to qualifying orders and destinations. Read the complete shipping policy.
Manufacturer warranty
This product is covered by the warranty issued by happyrun. Coverage length, eligible components, exclusions and claim requirements are governed by the manufacturer’s warranty terms.
WattWheelz can help you identify the appropriate support path and documentation for a warranty issue.
Warranty & support
Every bike is covered by its manufacturer’s warranty. If anything arrives damaged or isn’t working right, contact us within 30 days of delivery and we’ll get it sorted with replacement parts or warranty repair. Full details are in our Returns & Refunds policy.
What’s included
Included components, accessories, tools and documentation vary by manufacturer and configuration. The product description above lists the published package contents for this model.
Need help understanding what comes with your selected configuration? Our team can walk you through it.
Assembly & setup
Some electric rides require final assembly, adjustment or setup after delivery. Follow the manufacturer’s supplied instructions and safety guidance. Professional assembly may be appropriate when specified by the manufacturer or when you are not comfortable completing setup yourself.
Is this configuration available to order?
Yes. The selected configuration is currently available to order. Shipping method and delivery coordination depend on the product and destination.
Can I finance this purchase with Affirm?
Affirm promotional messaging is shown when available, and eligible payment options are presented during checkout. Approval, rates, down payment and terms are determined by Affirm.
Does this product ship free?
Free shipping applies to qualifying orders and destinations. The final shipping method and any applicable charge are shown or confirmed according to the published shipping policy.
Can I return this product?
Return eligibility depends on the product and manufacturer. You can read the full terms in our Returns & Refunds policy. If something arrives damaged or has a problem, contact us within 30 days of delivery and we’ll help with replacement parts or warranty repair.
Need help choosing the right configuration?
Call 1-888-598-7034 or email our team. A WattWheelz specialist can help with fit, specifications, compatibility, setup and delivery questions.
See how this model stacks up
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