Best Ebike Rear Hub Motor Kit for Turning Your Bike Into an Electric Ride
Electric bike rear hub motor kits offer a convenient way to convert a standard bicycle into a capable electric ride. This guide highlights five top kits commonly bought in the United States, detailing torque, speed, compatibility, and installation ease. Readers will find considerations for choosing the right kit for their bike, from dropout width to brake type, and how to compare motor power and battery options for daily commuting or off-road adventures.
| Product | Brand | Motor Power | Wheel Compatibility | Notable Features |
|---|---|---|---|---|
| BAFANG 48V 500W/750W Rear Hub Motor Kit | BAFANG | 500W/750W | 135-142mm dropout | IPX5 waterproof, PAS with 4 modes |
| LTIGOAW 20-Inch 48V 2000W Hub Kit | LTIGOAW | 2000W | 20″ rear | High torque, 55 km/h top speed |
| CUBELLIN 26″ Rear Hub Motor Kit | CUBELLIN | 2000W | 26″ rear compatibility | 9 gears, 560 rpm, robust construction |
| BAFANG 48V 500W/750W Rear Hub Motor (Battery & Display Options) | BAFANG | 500W/750W | 135-142mm dropout | Four ride modes, universal compatibility |
| BAFANG 48V 1000W Rear Hub Motor Kit | BAFANG | 1000W | 20″ / 26″ fat tire setups | 85N.m torque, IPX6 waterproof |
The following sections profile five representative rear hub motor kits, detailing how they might fit different bikes, terrains, and riding goals. Each profile includes a brief overview, key specs, and notable considerations to help you compare at a glance.
BAFANG 48V 500W/750W Rear Hub Motor Kit
The BAFANG kit delivers a robust 65N.m max torque and speeds up to 40 KM/H. It is IPX5 waterproof and operates quietly below 55dB, making it suitable for all-weather riding. It fits most 135-142mm rear dropouts with up to 10-speed cassettes and supports V-brake and disc brake integration. The PAS offers four modes, including throttle and walk assist, helping reduce fatigue on long rides. Installation is designed to be straightforward with complete kit components for a seamless rear-wheel swap.
LTIGOAW 20-Inch 48V 2000W Hub Kit
This kit features a 2000W brushless hub motor with 65N.m of torque and speeds up to 55 km/h (34 mph). Built from premium aluminum, it emphasizes rust and scratch resistance for durability. Universal rear installation supports 20×4 inch tires, with a 170mm bottom bracket and a 42cm hub diameter. It aligns with common frames and disc brake systems, providing a high-torque option for fast commuting or off-road exploration.
CUBELLIN 26″ Rear Hub Motor Kit
This kit uses a 2000W motor with 60N.m torque and 560 rpm, plus 9-gears for flexible shifting. Aluminum construction supports durability, and the design aims for smoother operation with less noise than brushed motors. The nine-speed gearing provides versatility for climbing hills or maintaining speed on flat terrain, making it a strong option for riders who want robust performance on a 26″ bike.
BAFANG 48V 500W/750W Rear Hub Motor Kit (Battery & Display Options)
This BAFANG kit offers a maximum torque of 80N.m and speeds up to 45 KM/H. It is IPX5 waterproof with whisper-quiet operation under 55dB and is compatible with 135-142mm dropout widths up to 10-speed cassettes. A four-mode PAS system includes throttle, pedal assist, walk assist, and pure pedal modes. It is designed as a one-stop upgrade with complete installation components and optional battery/display configurations for a tailored fit.
BAFANG 48V 1000W Rear Hub Motor Kit
Designed for fat-tire bikes, this 1000W kit delivers up to 85N.m torque and up to 42 KM/H top speed, with IPX6 waterproofing and quiet operation. It supports 20″/26″ fat tires and requires a 175mm dropout width, compatible with disc brakes (V-brakes not supported). The package typically includes a complete rear-wheel swap kit for straightforward installation, ideal for snow or beach environments and high-demand riding scenarios.
Electric Bike Conversion Kit 26″ 1000W
This kit offers 440 rpm, 45N.m torque, and speeds up to 53 km/h. It emphasizes safety with a power-off brake handle and a robust controller to ensure safe operation. Thickened round spokes enhance wind resistance, contributing to overall reliability and stability during high-speed riding. It is suitable for converting a standard 26″ bike into a more capable electric ride while prioritizing safety features.
Buying Guide: Key Purchase Considerations
- Motor power and torque: Higher wattage (1000W) and torque (80-85N.m) enable steeper climbs and higher top speeds, but may require stronger frames and heavier batteries.
- Wheel and dropout compatibility: Confirm dropout width (e.g., 135-142mm or 175mm for fat tires) and ensure compatibility with your brake type (V-brake or disc).
- Battery and display options: Some kits offer battery and display as add-ons. Consider range needs, charging time, and display features (PAS modes, throttle, speed, battery level).
- Installation complexity: Some kits include everything for a rear-wheel swap, while others may require additional cables or components. Check provided manuals or video guides.
- Durability and weather resistance: IP-rated waterproofing helps in all-weather riding. Look for construction materials (aluminum, steel) and protective coatings.
- Riding mode versatility: PAS modes, throttle-only options, and walk assist can affect daily usability and fatigue reduction across terrains.
Choosing the right rear hub motor kit depends on your bike, riding goals, and maintenance preferences. Compare torque, top speed, compatibility with your bike’s frame, and the availability of a complete installation package to decide which kit best matches your needs.