Introducing the Ultimate Custom-Built 15,000W eBike
We present a one-of-a-kind custom-built eBike designed for the ultimate enthusiast. This extraordinary eBike features a custom 100.8V 20Ah Lithium Polymer battery pack, a YuyangKing 150A motor controller, and a powerful Cromotor 8000W hub motor. Mounted on a robust 19” 2019 Specialized Rockhopper frame, this eBike delivers unparalleled performance, including a top speed of over 60 mph and outstanding acceleration.
Key Features
High-Performance Battery Pack
- Battery Composition: Six 4s 20,000mAh HobbyKing Lipo batteries.
- Voltage and Capacity: 100.8V and 20Ah.
- Battery Management System (BMS): Equipped with an ANT-BMS for monitoring and controlling via Bluetooth.
- Battery Longevity: Low cycle count, maintaining over 20Ah at full charge.
Motor and Controller
- Motor: Cromotor 8000W hub motor.
- Controller: YuyangKing 150A 100V eBike controller, programmable via Bluetooth.
- Performance: Capable of delivering up to 15,000 watts in bursts, offering exceptional power and acceleration.
Structural and Design Elements
- Frame: 2019 Specialized Rockhopper, 19” size.
- Tires: 29” Maxxis tires, providing stability and control.
- Custom Components: 3D printed ABS parts with 100% infill for enhanced durability.
- Brakes: 160mm stock Shimano disc brakes, recently replaced brake pads.
- Wiring Enclosure: 3D printed box for easy access.
Performance Metrics
- Top Speed: 60+ mph.
- Acceleration: High torque, capable of wheelies and rapid acceleration.
- Range:
- ~30 miles at 35 mph
- ~35 miles at 30 mph
- ~45+ miles at 20 mph
Detailed Specifications
Battery System
The custom battery pack includes six 4s 20,000mAh HobbyKing Lipo batteries, forming a 100.8V system with a total capacity of 20Ah. The ANT-BMS ensures efficient battery management, providing comprehensive control and monitoring via a Bluetooth-connected smartphone app. This system facilitates balanced charging and enhances the longevity and safety of the battery pack.
Motor and Controller
The 8000W Cromotor hub motor is paired with a YuyangKing 150A 100V controller. This combination allows the eBike to achieve peak performance with exceptional torque and power. The controller’s programmability via Bluetooth enables fine-tuning of the motor’s output, ensuring optimal performance and safety.
Frame and Tires
Built on a 19” 2019 Specialized Rockhopper frame, this eBike is designed for durability and stability. The 29” Maxxis tires offer excellent grip and control, essential for high-speed and off-road riding. The frame’s robustness ensures it can handle the powerful motor and battery system without compromising structural integrity.
Braking System
The bike is equipped with 160mm stock Shimano disc brakes. These brakes provide reliable stopping power, essential for a high-speed eBike. The brake pads have been recently replaced, ensuring optimal braking performance.
Custom Components and Design
Custom-designed 3D printed parts, made from ABS with 100% infill, are used throughout the bike. These parts include a 3D printed box that houses the wiring, allowing easy access for maintenance. The use of advanced 3D printing technology ensures high durability and precision in the custom components.
Performance and Safety Considerations
Speed and Acceleration
With a top speed of over 60 mph, this eBike is one of the fastest on the market. The motor’s high torque enables rapid acceleration, making it capable of performing wheelies. However, for safety, the controller can limit the speed and acceleration, ensuring a balanced ride.
Range and Efficiency
At a moderate speed of 35 mph, the eBike offers a range of approximately 30 miles. Reducing the speed to 30 mph extends the range to around 35 miles, and at 20 mph, the range exceeds 45 miles. These metrics demonstrate the bike’s efficiency and adaptability to different riding conditions.
Structural Reinforcements
The aluminum dropouts have been reinforced with steel, although the epoxy used may require improvement for better adhesion. Despite this, the bike has been tested at high speeds with no issues. For sustained high-speed riding, upgrading the dropout supports is recommended.
Maintenance and Usability
The bike includes a key switch with two keys, ensuring security. Maintenance considerations include tightening the chain and potentially using a chain tensioner. The custom-designed components and robust build make this eBike a reliable and high-performance vehicle.
Conclusion
This custom-built 15,000W eBike represents the pinnacle of eBike performance and design. Its powerful motor, advanced battery system, and robust frame make it an exceptional choice for enthusiasts seeking speed, power, and reliability. Whether for high-speed commuting or thrilling rides, this eBike delivers unmatched performance.