Best High Speed Hub Motor Options for Electric Vehicles and Fat Bikes
The best high speed hub motors deliver strong torque, reliable power, and compatibility with fat bikes, scooters, and e-bikes. This guide highlights five top hub motor options, explaining who they’re best for and why each was selected. Use these picks to compare power, weight, and mounting fit for your build.
| Product | Power | Wheel Size Compatibility | Best For | Limitations |
|---|---|---|---|---|
| QS 205 150mm Dropout 5000W | 5000W | 150mm rear dropout | High-performance fat bikes and drag-friendly builds | Requires wide frame fit |
| NOENNULL 14in Wheel Hub Motor | 2000-5000W range | 14″ wheel compatibility | Compact builds needing strong power and water resistance | Requires suitable wheel diameter |
| 20×4.0 QS205 50H 3.5T | Up to 5000W | Rear dropout 190mm | Fat bike upgrades with wide tires | Dropout sizing critical |
| NB POWER 19×1.6 3.5T | 5000W | Rear 150-155mm spacing | High-speed builds with 80/100-19 tires | Wheel fit dependent |
| Fauitay 11 Inch Hub Motor | 2000-5000W | 11-inch wheels | AS-10 style multi-use electric motorcycles and scooters | Compact form factor may limit some mounts |
QS 205 150mm Dropout 5000W Motorwheel
Features: QS 205 5000W Motor; rear dropout required at 150mm; 3.5T high speed motor. This motorwheel is designed for high power setups where rear frame spacing is 150mm. Best for riders seeking maximum speed and torque in fat-bike or performance builds. Limitations include frame compatibility and potential heat management needs at sustained high speeds.
Who it’s best for
- Riders with 150mm rear spacing who want top-end performance.
- Fat-bike enthusiasts aiming for aggressive acceleration and high speed.
Why chosen
- Offers a high power figure (5000W) suited for performance-focused builds.
- Specific dropout width informs precise compatibility, reducing guesswork.
Considerations
- Verify frame clearance for large motors and ensure compatible axle spacings.
- Plan heat dissipation for extended high-speed riding.
NOENNULL 14in Wheel Hub Motor
Features: Aluminum alloy construction; dual Hall sensors for power output and safety; high power output for strong acceleration and high top speed; IPX6 waterproof rating for wet conditions. This hub motor suits compact electric scooters and bikes that require reliable performance in variable weather. Limitations include the need for precise mounting and electrical compatibility with the scooter or bike’s controller.
Who it’s best for
- Riders needing a compact yet powerful wheel hub with good weather resistance.
- Electric scooters or small bikes that require redundancy due to dual Hall sensors.
Why chosen
- Aluminum construction offers durability without excessive weight.
- Dual Hall sensors add a safety margin in power delivery and fault tolerance.
Considerations
- Confirm compatibility with your controller’s voltage (48V/60V/72V) and wheel dimensions.
- Ensure proper sealing and heat management for sustained high-speed use.
20×4.0 QS205 50H 3.5T Fat Bike Motor Wheel
Features: QS 205 Fat 5000W motor; rear dropout 190mm with M16*10mm axle; speeds around 840RPM (4T) or 770RPM (4T) and 650RPM (5T). This motor wheel targets high-torque fat bike builds with wide tires. Limitation is the wide dropout requirement which may necessitate frame modifications or a specialized fork.
Who it’s best for
- Fat bike owners seeking robust motor power and wide tire compatibility.
- Builders needing a strong rear-wheel unit with a wide dropout footprint.
Why chosen
- High power rating aligns with aggressive riding styles and hill climbs.
- Clear dropout sizing helps ensure correct installation and frame fit.
Considerations
- Check for compatibility with your bike’s rear triangle width and axle type.
- Assess braking compatibility if using disc brakes; ensure adequate clearance.
NB POWER 19×1.6 3.5T High Speed Motorwheel
Features: QS 3.5T high speed 5000W motor; rear fork inner distance needs 150-155mm; comes with 80/100-19 street tire. This motorwheel is suited for high-speed rear-drive setups on frames with a typical 150-155mm spacing. Limitation includes precise frame spacing and tire compatibility.
Who it’s best for
- Riders upgrading an older frame with standard 150-155mm spacing and 19-inch tire size.
- Performance builders prioritizing high speed and strong torque in a single wheel.
Why chosen
- Broadly compatible spacing range with common fat-bike rear frames.
- Powerful motor claims align with demanding riding scenarios.
Considerations
- Confirm tire availability and mounting compatibility for 80/100-19 tires on your wheel.
- Plan for brake and rotor compatibility with the existing setup.
11 Inch Brushless Hub Motor by Fauitay
Features: 11-inch hub motor; 2000W-5000W, 60N.m max torque; IPX6 waterproof; dual Hall sensor design for safety and stable output. This motor is well-suited for electric motorcycles and scooters requiring high-speed capability with reliable water resistance. A limitation is its compact size, which may constrain mounting options on larger frames.
Who it’s best for
- Riders needing a high-torque, weather-resistant hub motor in a compact form factor.
- Electric motorcycles or scooters that prioritize safety features like dual Hall sensors.
Why chosen
- Wide voltage support (commonly 48V-72V) for flexibility across platforms.
- IPX6 rating protects against water exposure during wet rides.
Considerations
- Check wheel compatibility and mounting space on your frame.
- Ensure your controller and battery can safely drive the maximum power.
Buying Guide: High Speed Hub Motors
- Power and torque: Match motor wattage to terrain and rider weight. Higher power delivers stronger climbs and acceleration, but increases heat and battery draw.
- Wheel and dropout compatibility: Confirm the correct dropout width (150mm, 190mm, 155mm, etc.) and axle type. Incompatible frames will require custom adapters or different motors.
- Controller compatibility: Ensure voltage range and current handling align with the motor. A mismatched controller can reduce efficiency or damage components.
- Sprockets and tires: Wide tires (e.g., 80/100-19) affect gearing and rolling resistance. Verify tire clearance for the motor and wheel width.
- Weather and durability: IP ratings and metal alloy construction improve longevity in rain and dust. Consider extra sealing if riding in challenging conditions.
- Installation complexity: Some motors require frame modifications or specialized forks. Plan for professional installation if needed.
- Maintenance and heat management: High-speed operation generates heat. Ensure adequate airflow, cooling, and regular inspection of wiring and connectors.
FAQ
- What is a high speed hub motor best used for?
They are ideal for fat bikes, upgraded e-bikes, scooters, and motorcycles that require strong acceleration and top-speed performance in rear-wheel drive configurations.
- How do I know if a 150mm vs 190mm dropout will fit my bike?
Measure your rear triangle spacing and axle type. If your frame specifies 150mm, 150-155mm, or 190mm, choose a motor designed for that width to avoid spacers or adapters.
- Are dual Hall sensors important?
Yes, dual Hall sensors can improve reliability by providing redundancy in power output and enhancing safety during operation.
- Do these motors require a specific tire size?
Some motors specify compatible tire ranges (e.g., 80/100-19). Confirm tire compatibility with your wheel and rim to avoid clearance issues.
- Can I install a high power motor on a non-specialized frame?
High power motors may require frame reinforcements and careful mounting. Consider consulting a professional if the frame is not designed for high torque.