HappyRun G300 SE Ultra

G300 SE Ultra - The Mini Beast That Bites. Don't call it a toy. With a professional mid-drive motor and 44+ mph of raw speed, this is the ultimate electric dirt bike built for those who demand more. Compact frame. Massive performance. Zero compromises.

Key Features

6000W Peak Mid-Drive

Unleash explosive acceleration with a massive 6000W peak mid-drive motor churning out a relentless 240 N.m of torque. Engineered for instant throttle response, the G300 SE Ultra tears through deep mud and conquers the steepest climbs with pure, unadulterated grunt.

60V 31Ah Lithium Battery

Fuel your long-haul missions with a high-capacity 60V 31Ah lithium battery, delivering an impressive 65-mile range. Leave range anxiety in the dust and push deeper into the backcountry - you’ve got the juice to get there and back.

Full Suspension Mastery

A hydraulic front fork and rear spring shock absorber soak up the big hits, keeping your tires glued to the dirt.

Heavy-Duty Hydraulic Braking

Command every descent with high-performance hydraulic brakes and massive 190mm x 3.4mm rotors. Designed for instant bite and maximum heat resistance, this system significantly shortens braking distances for total confidence.

All-Weather Reliability

Built to withstand the elements, the G300 SE Ultra features an IPX5 water-resistant rating. Whether you’re splashing through shallow streams or caught in a sudden downpour, this durable design ensures your core components stay protected, giving you the freedom to ride in any weather.

17'/14' Staggered Off-Road Tires

Built for the grit, our 17' front and 14' rear tires bite into the toughest terrain. This staggered setup offers superior agility and rock-solid lateral grip for carving through tight technical sections with total precision.

Digital Dash & Full-Twist Throttle

Stay locked into your ride data with a vibrant, sun-readable digital display. Paired with a responsive full-twist throttle, the G300 SE Ultra offers intuitive, motorcycle-style control for smooth, high-speed launches.

Geometry

SPECIFICATIONS

Speed & Range

• Top Speed: up to 44 mph
• Riding Range: 56-65 miles
• Charging Time: 6-8 hours
• Usage: Off-Road (not street legal)

Electronics

• Battery: 60V 31Ah Lithium Battery
• Motor: 6000W Peak Mid-Drive Motor
• Torque: 240 N.m Peak Torque
• Controller: 60V 35A
• Display: Digital Display
• Throttle: Full-Twist Throttle
• Headlight: LED Light (700 Lumens)
• Taillight: Integrated Taillight
• Waterproof Grade: IPX5

Frameset

• Suspension: Full Suspension
• Front Fork: Hydraulic Fork
• Rear Fork: Spring Shock Absorber
• Tires: Off-road Tires (Front 17', Rear 14')
• Working Temp.: 14°F~104°F (-10°C~40°C)

Brakes

• Brakes: Hydraulic Brakes
• Brake Rotor: 190mm × 3.4mm 

Bike Dimensions

• Bike Weight: 138 lbs (Excluding Battery) / 140 lbs (Battery Weight: 21.8 lbs)
• Package Weight: 143 lbs
• Product Dimensions: 1760*725*1130mm
• Package Dimensions: 1450*270*800mm
• Total Payload: 350 lbs
• Recommended Height: 4'1' - 6'1'
• Seat Height: 31.9'