HappyRun G300 SE

Experience elite performance at an unbeatable value. The G300 SE challenges the market by pairing a best-in-class 4500W (peak) 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 high power and premium features like full suspension, without a premium price tag.

Key Features

4500W Mid-Drive - Untamed Power

Unleash 4500W peak power and 181 N·m of torque. Mid-drive design ensures superior balance and efficiency. Conquer any terrain. Embrace adventure.

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

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

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

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 4'1' to 6'1'.

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 & Night Safety

Integrated lighting system features a high-brightness 500 LUX headlight and an LED Taillight. This system ensures clear visibility of the path and, crucially, keeps you highly visible to all traffic, guaranteeing safety in all conditions.

Geometry

Unboxing & Assembly

Review Videos

SPECIFICATIONS

Speed & Range

• Top Speed: up to 36 mph
• Riding Range: up to 45 miles
• Gearing & Rear Derailleur: Single Speed

Electronics

• Battery: 48V 26Ah Lithium Battery (1248 Wh)
• Motor: 3500W Rated Power (4500W Peak Power)
• Torque: 220 N·m Peak Torque
• Charger: 54.6V 2A
• Display: Integrated LCD Display Meter
• Throttle: Full Twist Throttle
• Front Light: 500 LUX (at 4m distance)
• Taillight: LED Taillight (Braking Indicator)
• Waterproof Grade: IPX5

Frameset

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

Brakes

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

Bike Dimensions

• Bike Weight (with Battery): 123.5 lbs (56 kg)
• Bike Weight (without Battery): 106.9 lbs (48.5 kg)
• Package Weight: 136 lbs (62 kg)
• Package Dimensions: 57 ' × 11 ' × 32' (1450mm*280mm*800mm)
• Total Payload: 330 lbs (150 kg)
• Recommended Rider Height: 4'1' - 6'1'
• Seat Height: 29'