Choosing the right motor for a compact electric bike or mini bike matters for torque, speed, and reliability. This guide highlights five brushed DC motors and gear-reduction kits that fit lightweight builds, scooters, and go-karts. Each option balances voltage, wattage, and RPM with practical notes on mounting and cooling. The quick reference table below offers a snapshot of key specs to compare at a glance.
| Product | Brand | Voltage | Power (W) | Max Speed (RPM) |
|---|---|---|---|---|
| Vevitts Small Brushed Motor | Vevitts | 24V | 350 | 3000 |
| XUFOPLY MY1020 Brushed Motor | XUFOPLY | 36V | 1000 | 3000 |
| LNUJIUN MY1020 Brushed Motor | LNUJIUN | 36V | 1000 | 3000 |
| TRKIMAL 12/24V Gear Reduction Motor | TRKIMAL | 12V | 250 | N/A |
| Haeweypf 24V Motor Kit | Haeweypf | 24V | 350 | 3000 |
Vevitts Small Brushed DC Motor for E-Scooter Drive
Vevitts offers a compact 24V brushed DC motor designed for mini bikes, e-scooters, and lightweight go-karts. A full copper coil and aluminum housing provide heat resistance and durability, while natural air cooling supports longer life during frequent starts and stops. The unit targets moderate high-speed performance with practical reliability for small ride-on projects.
- Voltage: 24V DC
- Power: 350W
- Max speed: 3000 RPM
- Shaft diameter: 8mm
- Cooling: Naturally air cooled
- Construction: Aluminum body, full copper coil
Design notes emphasize a straightforward motor-to-controller interface, making it suitable for DIY builds that use standard 8mm shaft mounts. As a brushed motor, it requires routine brush and commutator maintenance, but offers a simplified control scheme ideal for entry-level conversions.
XUFOPLY MY1020 Brushed Motor for Mini Bikes
The XUFOPLY motor is a high-wattage brushed DC option in the 36V class, designed for heavier mini bikes, scooters, and similar platforms. With a maximum around 3000 RPM and a 1000W rating, it delivers robust throttle response and climbing ability. The MY1020 style is popular for its balance of performance and cost, making it a common upgrade in DIY builds that demand more torque.
- Voltage: 36V DC
- Power: 1000W
- Max speed: 3000 RPM
- Motor type: Brushed
- Drive: 25H-11T chain drive (as noted in specs)
Mounting requires compatible frame points and a controller sized for 36V systems. The unit’s chain-drive compatibility helps in aligning with existing drivetrain setups, but users should verify sprocket compatibility and mounting clearance before installation.
LNUJIUN 36V 1000W MY1020 Brushed Motor
LNUJIUN’s MY1020-type motor delivers strong starting torque and steady speed regulation at 36V. This brushed motor is designed for electric bicycles, scooters, and mini bikes where reliable, straightforward control is desired. The approach favors simpler control circuits, making it a practical choice for budget builds that still need solid performance across a range of speeds.
- Voltage: 36V DC
- Power: 1000W
- Max speed: 3000 RPM
- Motor type: Brushed
- Control: Simple brushed circuitry
The design prioritizes durability and cost efficiency, providing a dependable option for hobbyists seeking an upgrade path without moving to brushless systems.
TRKIMAL 12/24V Gear Reduction Brushed Motor
TRKIMAL provides a geared brushed motor designed to boost low-end torque for mini bikes, scooters, and motorized bicycles. This gear-reduction configuration enhances take-off power and hill-climbing ability, especially when paired with a robust controller. The motor is reversible, letting builders adapt drive direction easily for various chassis layouts.
- Voltage: 12V
- Power: 250W (or 350W depending on model)
- Gear reduction with 9-tooth sprocket
- Reversible direction
- Suitable for motorized bikes, go-karts, scooters
Because of the gear reduction, designers should plan for appropriate mounting spacing and sprocket compatibility. This motor suits DIY projects that prioritize low-end torque over top-end speed.
Haeweypf 24V Brushed Motor Kit for E-Bikes
The Haeweypf motor kit combines a 24V brushed motor with a compatible controller, engineered for easy installation on dirt bikes, mini motorcycles, or electric bike conversions. It delivers about 3000 RPM and a 350W rating, making it a strong option for riders seeking a balance of performance and simplicity in a kit form.
- Voltage: 24V DC
- Power: 350W
- Rated speed: 3000 RPM
- Includes brushed controller
- Aluminum housing with cooling features
Installation suitability depends on frame clearance, chain compatibility, and mounting points. This kit is positioned for straightforward upgrades rather than bespoke builds, with emphasis on practical performance for casual and hobbyist riders.
Buying Guide
Voltage and compatibility
Match motor voltage to your battery system and controller capacity. A 24V setup will generally pair with smaller packs and lighter frames, while 36V configurations suit higher-demand builds. Confirm motor shaft size and mounting points align with your frame’s design and sprocket or belt needs.
Power, torque, and speed balance
Higher wattage translates to stronger torque and faster acceleration, but it also drains the battery faster and demands a capable controller. For mini bikes and go-karts, 350–1000W is common. Choose based on the typical terrain you ride and whether climbing hills is a frequent requirement.
Brushed versus brushless technology
Brushed motors are typically cheaper and simpler to install but require regular brush maintenance and can generate more heat under heavy use. Brushless designs are more efficient, cooler at high loads, and longer-lasting but may require more complex controllers and higher initial cost.
Gear reduction and mounting considerations
Gear-reduction motors boost low-end torque, which helps with take-off and steep grades. Check sprocket tooth counts, chain compatibility, and the overall length between drive sprockets. Verify shaft diameter (commonly 8mm in these models) and mounting hole spacing to ensure a clean fit in your chassis.
Thermal management and durability
Heat can throttle performance; look for aluminum housings, fins, or active cooling options. Bearings, windings, and gearing quality influence longevity. For extended rides, ensure the setup allows for adequate airflow and that the controller has protective features like over-current and thermal shutdown.
Controllers, wiring, and safety
Compatible controllers are essential. Ensure the controller’s voltage and current ratings match the motor, and that wiring uses appropriate gauges to minimize resistance. Seek models with clear wiring diagrams, protective features, and reliable connectors to reduce install hassles.
Installation practicality and compatibility
Choose motors and kits that align with your frame geometry, drive type (chain vs belt), and available space. Some motors are reversible, which can simplify wiring in certain layouts. If you’re using a pre-existing controller, confirm compatibility before purchase to avoid integration issues.
Pricing, warranty, and support
Budget options can deliver solid results for hobby builds, but consider warranty length and the availability of replacement parts. A longer warranty often reflects better build quality and manufacturer support, which is valuable for DIY projects and ongoing maintenance.