EZ-3 USX HD Electric Conversion Kit – 500W (Battery Included)

• Designed specifically for the EZ-3 USX HD trike
• Heavy-duty electric conversion system with battery included
• Smooth pedal-assist and throttle-on-demand
• Tuned for strength, stability, and sustained trike use
• Battery mounting hardware included for clean installation as shown

A heavy-duty electric conversion system engineered specifically for the EZ-3 USX HD, delivering dependable electric assist, excellent stability, and long-term reliability for higher-load trike applications.

Convert Your EZ-3 USX HD to Electric

The E-BikeKit™ EZ-3 USX HD Conversion Kit includes model-specific components designed to integrate properly with the EZ-3 USX HD frame, preserving correct geometry, braking behavior, and overall stability.

This system is engineered to provide strong, controlled electric assist suitable for larger riders, cargo use, and frequent riding. Power delivery is optimized for steady starts, predictable response, and durability under sustained load—key characteristics for heavy-duty trike operation.

The conversion integrates cleanly with the trike’s controls and structure, delivering electric assistance without compromising balance, safety, or rider confidence.

Included components:

• EZ-3 USX HD–specific motorized front wheel
• 48V controller with pedal-assist support
• Pedal-assist sensor
• Thumb throttle
• Locking parking brake levers
• Required wiring harnesses and installation hardware
• 48V lithium battery and charger
• Battery mounting hardware (as shown in product photos)

Battery mounting: This system includes the battery mounting hardware shown in the product photos, allowing the battery to be positioned securely on the trike with proper weight distribution and a clean, finished installation.

Who is this kit for? This system is designed for EZ-3 USX HD riders who prioritize strength, stability, and durability for higher-load use such as cargo hauling, daily transportation, and extended riding. The recommended total system load is up to 400 lbs.

If you already own a compatible battery and need this system without one, please contact us before ordering.

• System power: 500W nominal
• System voltage: 48V
• Assist modes: Pedal assist and throttle
• Estimated range: 15–30 miles (terrain, assist level, and riding style dependent)
• Recommended total load: Up to 400 lbs

This conversion system includes a 48V lithium-ion battery with a built-in mounting rail and the mounting hardware shown in the product photos.

Battery placement is optimized for the EZ-3 USX HD frame to provide balanced handling and long-term durability. No additional battery mounting hardware is required.

If you have questions about battery placement or compatibility with your specific trike configuration, we recommend contacting us before ordering.

Learn more: Top 25 Frequently Asked Questions

Questions? Call us toll-free at 1-866-882-3245, Monday–Friday, 9am–5pm EST, or email support@ebikekit.com.

Battery shipping: Lithium-ion batteries ship separately via FedEx Hazmat and may require a delivery signature. It is normal for the kit, battery, and mounting hardware to arrive on different days.