Overview Best choice for heavy riders, tandems, and cargo bikes Top speed up to 20 mph with a typical 15–30 mile range Pedal-assist and throttle-on-demand Rear 500W heavy-duty direct-drive hub motor Designed for total loads of 300 lbs and up A heavy-duty electric conversion system engineered for tandem bicycles and other high-load applications where durability and long-term reliability matter most. Description Heavy-Duty Conversion Kit for Tandem Bicycles The E-BikeKit™ Heavy-Duty Tandem Conversion Kit is designed specifically for applications that exceed the limits of standard geared motor systems. This kit uses a rear direct-drive hub motor, chosen for its strength, simplicity, and ability to handle sustained loads without internal wear. Direct-drive motors are ideal for tandems, cargo bikes, and other heavy-duty builds because they have no internal gears or clutches, resulting in excellent durability and long service life under load. Who is this kit for? This system is recommended for any application where the total load (bike + riders + cargo) is 300 lbs or more. It delivers smooth, predictable power with a 20 mph top speed when paired with a 48V battery. Performance & Specifications Motor type: Rear direct-drive hub motor Nominal / peak power: 500W / >1000W @ 48V Top speed: Approx. 20 mph @ 48V (26" wheel) Estimated range: 15–30 miles (terrain, rider input, and battery dependent) System voltage: 48V Maximum torque: 46 Nm @ 48V Recommended load: 300 lbs and up Battery & Mounting Information This kit uses a 48V lithium-ion battery. The standard battery configuration is designed to mount on the downtube using water-bottle bosses. No dedicated battery mounting kit is included with this conversion. If you prefer not to mount the battery on the downtube, or if your tandem setup requires rear placement, a rear rack solution can be used. A popular alternative is our Canvas Battery Bag , which straps securely to a conventional rear rack and provides a flexible, non-permanent mounting option. What’s Included USA hand-built rear wheel with heavy-duty direct-drive hub motor 48V-compatible 22A / 12-FET controller Programmable LCD dashboard PAS sensor and split-disc Thumb throttle Left and right e-brake levers Pedal-assist extension cable Motor cable and accessory wiring Torque arms, C-washers, zip ties, and mounting hardware Battery and charger (if battery option is selected) FAQ & Support Learn more: Top 25 Frequently Asked Questions Questions? Call us toll-free at 1-866-882-3245, Monday–Friday, 9am–5pm EST, or email [email protected]. Shipping Notes Battery shipping: Lithium-ion batteries ship separately via FedEx Hazmat and may require a delivery signature. It is normal for the kit, battery, and accessories to arrive on different days.
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