Official Happyrun Tank G100 Replacement Rear Hub Motor – 1000W Rated / 2000W Peak
Original price was: $299.00.$259.00Current price is: $259.00.
Swap out a damaged, worn, or burnt-out drivetrain with the genuine OEM Happyrun Tank G100 2000W Hub Motor. This heavy-duty brushless rear wheel motor comes pre-wired and ready to drop into your existing 20-inch fat tire rear dropout configuration, restoring your e-bike’s factory-spec climbing torque and top speed performance.
Core Benefits:
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Genuine Factory Match: Direct drop-in component that interfaces perfectly with your stock Happyrun 48V controller layout and display system.
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High-Torque Performance: Delivers up to 95 N.m of rotational torque to handle steep 30° hill climbs and maintain stable high speeds.
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Plug-and-Play Quick Disconnect: Includes the waterproof main power loom connector for simple, tool-free line disconnects during tire or tube swaps.
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Heavy-Duty Internal Gearing: Sealed, weather-resistant outer casing protects internal high-temperature copper windings from rain, dust, and sand intrusion.
Strict Compatibility Note:
This motor is explicitly wound and rated for the standard 48V Happyrun Tank G100 system (2000W Peak). It will not work as a direct factory replacement for the high-voltage 72V Tank G100 Pro model (which uses a completely different 3000W/6000W motor casing and controller architecture).
Technical Specifications
| Feature | Specification |
| Motor Classification | High-Speed Brushless Geared Rear Hub Motor |
| Voltage Compatibility | 48V Systems Only |
| Power Output Rating | 1000W Nominal (Continuous) / 2000W Maximum Peak Output |
| Peak Torque Capacity | 95 N.m (Newton-meters) |
| Estimated Flat Top Speed | Up to 30–36 MPH (When matched with stock 48V controller) |
| Axle / Dropout Width | Standard Fat Bike Rear Dropout Spacing with Threaded Axle |
| Waterproof Rating | IP54 Enclosure Rating (Splash and dust resistant) |
| Wiring Connection Type | Heavy-Gauge Waterproof 9-Pin Main Motor Loom Hookup |
| Compatibility List | Base Model Happyrun Tank G100 (48V 38Ah Dual Battery System) |
| Incompatible Models | Happyrun Tank G100 Pro (72V System), or alternative voltage e-bikes |
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