JM- Carejoyao S900 Electric Bicycle Rear Drive Flywheel Motor Kit: 250W powerful motor
Thinking about giving your bike a bit of a boost? This 250W electric motor kit is your ticket to an easier ride, especially if you're all about that rear drive life. It's not just any kit—it comes packed with a 48V motor that means business, plus a controller, measuring switch, assistance sensor, and even a brake handle. Basically, it's like the Swiss Army knife of electric bike conversions. And if your ride rocks 27.5-inch rim spokes, you're in luck because this kit slides right in like it was made for it (because, well, it was).
Here's the lowdown on what's inside the box:
- A 250W motor that's all about efficiency (because who likes wasting energy?)
- A controller system so comprehensive, it practically thinks for you
- Accessories that even the most tool-challenged among us can install without breaking a sweat
Features
- 48V battery system
- Rear drive configuration
- Includes controller and accessories
- Fits 27.5-inch rim spokes
- 250W powerful motor
General specs
- Brand: JM- Carejoyao
- Model: S900
- Seller: Joom
- ID: 68083c19ee187c012e92bddb
- Motor Power: 250W
- Battery Voltage: 48V
- Drive Type: Rear Drive
- Compatibility: 27.5-inch rim spokes
- First listed by seller: 6/21/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$317.70
Last price update: 8/7/25
Out of stock
Price History for seller Joom
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Delivery to 
United States
United States
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
JM- Carejoyao S900 250W powerful motor
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ENGWE Engine Pro 750W motor
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Touroll MA1 250W Mid-drive Motor
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DUOTTS C29 750W motor
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Magicycle Deer 2.0 1000W motor
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Magicycle Deer 2.0 1000W Motor
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|
| Brand | JM- Carejoyao | ENGWE | Touroll | DUOTTS | Magicycle | Magicycle |
| Model | S900 | Engine Pro | MA1 | C29 | Deer 2.0 | Deer 2.0 |
| Color | ||||||
| Rating |
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| Price | $317.70 | $1.00 | $1,179.05 | $987.97 | $2,661.99 | $2,661.99 |
| Seller | Joom | Gshopper | Geekbuying | Geekbuying | Geekbuying | Geekbuying |
| Update | August 6, 2025 | July 25, 2024 | January 20, 2026 | January 23, 2026 | September 9, 2025 | August 15, 2025 |
| Battery | 48V16Ah built-in lithium | 36V 13Ah | 48V 15Ah | 52V 20Ah | 52V 20Ah | |
| Tire Size | 20 * 4.0" | 26 inch | 20*4.0 inch | |||
| Motor | 250W Mid-drive | 750W | 1000W | 1000W | ||
| Max Speed | 25 km/h | 50km/h | 32mph | 32mph | ||
| Brakes | Hydraulic Disc | Hydraulic disc | Hydraulic Disc | |||
| Dimensions | 152.0*27.0*87.0 cm | 142.0*23.0*77.0 | 154.5*36.0*85.0 | |||
Electric Bicycle Rear Drive Flywheel Motor Kit
$317.70
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