We researched and compared the top electric motors for motorcycle conversion projects. Our evaluation is based on manufacturer specifications, published industry standards, and aggregated owner feedback from forums and Amazon reviews. We focused on power output, efficiency, durability, ease of installation, and safety. Here are our picks for the best electric motors for motorcycles.
| Photo | Product | Score | Buy |
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ME1507 Hub Motor Best Overall 72V, 10kW peak, 120 Nm torque |
9.2 | 🛒 Check Price |
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QS Motor 138 3000W Best Value 72V, 3kW continuous, 6kW peak |
8.7 | 🛒 Check Price |
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Cromotor V3 Best High Torque 72V-96V, 12kW peak, 200 Nm torque |
9.0 | 🛒 Check Price |
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Leafmotor 1500W Lightweight Efficient 48V-72V, 1.5kW continuous, 3kW peak |
8.3 | 🛒 Check Price |
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Golden Motor HPM5000B Mid Drive Power 72V, 5kW peak, BLDC mid drive |
8.1 | 🛒 Check Price |
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EnerTrac MHM602 Premium Performance 96V, 15kW peak, 180 Nm torque |
8.8 | 🛒 Check Price |
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Cyclone 3000W Mid Drive Budget Mid Drive 48V-72V, 3kW continuous, 6kW peak |
7.8 | 🛒 Check Price |
1. ME1507 Hub Motor: Best Overall
The ME1507 hub motor stood out in our research for its balance of power and ease of integration. With a peak output of 10kW and 120 Nm of torque, it provides strong acceleration suitable for urban commuting. Owner feedback highlights its reliable regenerative braking and minimal maintenance needs. The direct drive design eliminates the need for a transmission, simplifying the conversion process.
However, the motor’s weight (about 18 kg) adds significant unsprung mass, which can reduce handling precision on rough roads. Riders who prioritize cornering agility or plan to ride off-road may want a lighter mid-drive option. This motor is best for street-focused builds where simplicity and torque matter most.
- High torque for quick acceleration from stop
- Direct drive hub design reduces drivetrain complexity
- Regenerative braking capability extends range
Pros: Excellent torque for city riding; Simple installation with no chain or belt
Cons: Heavy unsprung mass affects handling
2. QS Motor 138 3000W: Best Value
The QS Motor 138 3000W is a popular choice among DIY builders on a budget. It delivers 3kW continuous and 6kW peak, enough for speeds up to 55 mph on a lightweight bike. Owner reviews praise its durability and the availability of spare parts. The spoke hub design lets you choose your own rim, which is a plus for custom builds.
That said, the continuous power rating is modest. Riders who need sustained high speeds for highway commuting may find it lacking. Also, the motor can run hot under prolonged full throttle. We recommend it for urban and suburban use where stop-and-go traffic is common.
- Affordable price point for budget builds
- Spoke wheel design allows custom rim selection
- Widely available replacement parts
Pros: Great value for the power delivered; Easy to lace into existing rims
Cons: Lower continuous power may limit highway speeds
3. Cromotor V3: Best High Torque
The Cromotor V3 is a powerhouse designed for high-performance conversions. With 200 Nm of torque and a peak of 12kW, it can handle steep inclines and heavy loads. Owner feedback confirms its ability to run at high power without overheating, especially with the optional liquid cooling. The motor is built with sealed bearings and a robust housing.
However, its weight (over 20 kg) and size demand a reinforced frame and swingarm. Installation is more complex, and the motor is not plug-and-play. It is best suited for experienced builders who need maximum torque for off-road or cargo applications.
- Extremely high torque for steep hills
- Liquid cooling option available for sustained use
- Robust construction with sealed bearings
Pros: Torque rivals small gas engines; Handles high power without overheating
Cons: Heavy and requires sturdy swingarm
4. Leafmotor 1500W: Lightweight Efficient
The Leafmotor 1500W is ideal for riders who prioritize efficiency and light weight. At only 8.5 kg, it minimally affects handling. Owner reports indicate it can achieve over 30 miles per charge on a 48V battery. The motor is easy to install and works well with standard controllers.
But its modest power means it struggles on steep grades or with heavier riders (over 200 lbs). It is best for flat terrain and lightweight builds. If you need more punch, consider a higher wattage option.
- Lightweight at 8.5 kg
- High efficiency for extended range
- Compact design fits many frames
Pros: Very light, preserves handling; Simple to install and wire
Cons: Limited power for heavy riders or steep hills
5. Golden Motor HPM5000B: Mid Drive Power
The Golden Motor HPM5000B is a mid-drive motor that shifts weight to the center of the bike, improving handling. It delivers 5kW peak and strong low-end torque. Owners appreciate the programmable controller for fine-tuning performance. It is a good choice for those who want a sporty feel.
However, installation is more involved than a hub motor, requiring a chain or belt drive and proper alignment. The motor is also noisier than some hub options. It is best for experienced builders who want a balanced conversion.
- Mid-drive design for better weight distribution
- High efficiency at low RPM
- Programmable controller for custom tuning
Pros: Excellent hill climbing ability; Improves handling via central mass
Cons: Complex installation requires chain/belt drive
6. EnerTrac MHM602: Premium Performance
The EnerTrac MHM602 is a premium hub motor used in high-end conversions. It offers 15kW peak and 180 Nm torque in a relatively compact size. Owner feedback highlights its smooth power delivery and regenerative braking. The motor is built with industrial-grade components for long life.
Its main drawbacks are the high price and occasional supply shortages. It also requires a high-voltage battery (96V) which adds cost. This motor is for serious builders who want top-tier performance and are willing to invest.
- High power density in a compact package
- Regenerative braking and reverse function
- Industrial-grade bearings and seals
Pros: Powerful and reliable; Smooth and quiet operation
Cons: Expensive and limited availability
7. Cyclone 3000W Mid Drive: Budget Mid Drive
The Cyclone 3000W is a budget-friendly mid-drive motor that offers decent power for the cost. It can be mounted on many frames and uses common bicycle drivetrain parts. Owner reviews note it provides strong acceleration.
However, durability is a concern; some users report chain wear and motor overheating under sustained load. The installation can be fiddly, and the motor lacks refinement. It is best for tinkerers on a tight budget who are prepared for maintenance.
- Affordable mid-drive option
- Uses standard bicycle chain and sprockets
- Compact and lightweight
Pros: Inexpensive entry to mid-drive; Good power for the price
Cons: Lower durability and reliability concerns
Frequently Asked Questions
What size electric motor do I need for my motorcycle conversion?
The motor size depends on your desired speed, weight, and terrain. For urban commuting, a 3kW to 5kW motor is sufficient. For highway speeds or heavy loads, consider 10kW or more. Refer to your bike’s weight and your local speed limits.
Hub motor vs mid-drive motor: which is better?
Hub motors are simpler to install and require less maintenance, but they add unsprung weight. Mid-drive motors offer better weight distribution and hill climbing but are more complex to install. Choose based on your mechanical skills and riding style.
Can I use an electric motor on any motorcycle frame?
Most frames can be converted, but you need space for the motor and battery. Hub motors fit in the rear wheel, while mid-drive motors require mounting brackets. Check for clearance and structural strength.
How long does a conversion take?
Installation time varies from a weekend for a simple hub motor to several weeks for a custom mid-drive build. Plan for additional time to tune the controller and battery management system.
Are electric motorcycle motors safe?
Yes, when properly installed with a quality controller and battery. Ensure all electrical connections are insulated and the motor is securely mounted. Use a circuit breaker and fuse for protection.
Our Verdict
Our top pick is the ME1507 Hub Motor for its excellent torque, simple installation, and overall performance. For budget-conscious builders, the QS Motor 138 3000W offers great value. Choose based on your power needs and mechanical experience.
