G300 SE ULTRA

Happyrun G300 SE Ultra: The Next-Gen Trail Dominator

The Happyrun G300 SE Ultra is built for riders who want upgraded performance, refined control, and aggressive off-road capability in a compact e-moto platform. Featuring a powerful mid-drive motor and a high-capacity battery system, this machine delivers strong acceleration, impressive torque, and a perfectly balanced riding experience—making it ideal for both trails and urban exploration.

What sets the SE Ultra apart is its centered motor design, which improves weight distribution and stability. The result is a ride that feels more planted, responsive, and confidence-inspiring, whether you're climbing steep terrain or navigating tight paths. Combined with quiet electric operation, the G300 SE Ultra offers high-performance riding without the noise of traditional gas bikes.

Key Highlights

Balanced Mid-Drive Power:
Equipped with a high-output mid-drive motor delivering up to ~4500W peak power, the SE Ultra provides strong torque, smoother power delivery, and improved traction compared to hub-driven systems.

Responsive Acceleration & Speed:
Reach speeds of up to ~36 mph with quick throttle response, giving you the perfect mix of control and performance for both off-road and street riding.

Long-Range Battery System:
A 48V 26Ah removable lithium battery delivers up to ~45 miles of range, allowing for extended rides without constant charging interruptions.

Full Suspension Comfort:
Featuring a hydraulic front fork and rear coil shock, the SE Ultra absorbs bumps and rough terrain with ease, providing a smooth and controlled ride across trails and uneven surfaces.

Durable Off-Road Build:
A reinforced carbon steel frame paired with all-terrain tires ensures durability, traction, and reliability in demanding riding conditions.

Precision Braking System:
Hydraulic disc brakes deliver strong, consistent stopping power, giving riders confidence at higher speeds or on technical descents.

Smart Rider Interface:
An integrated LCD display provides real-time ride data, while LED lighting enhances visibility for night rides and low-light conditions.