Rear Hub Motor For eCity, eTour, eFoldable Bikes
24V / 36V / 48V
Rated Power - 350W
Max. Torque - 45N·m
Dropout - 140mm
For eCity, eTour, eFoldable Bikes
|
LIGHT 2.2kg |
EFFICIENCY >82% |
IP 65 |

24V / 36V / 48V
Rated Power - 350W
Max. Torque - 45N·m
Dropout - 135mm-140mm
For eCity, eTour, eFoldable Bikes
|
LIGHT 2.4kg |
EFFICIENCY >82% |
IP 54 |

24V / 36V / 48V
Rated Power - 350W
Max. Torque - 42N·m
Dropout - 139mm
For eCity, eTour, eFoldable Bikes
|
LIGHT 2.8kg |
EFFICIENCY >78% |
IP 54 |

24V / 36V / 48V
Rated Power - 250W
Max. Torque - 42N·m
Dropout - 145mm
For eCity, eTour, eFoldable Bikes
|
LIGHT 2.8kg |
EFFICIENCY >78% |
IP 54 |

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Model |
SF75R |
SF75C |
SF08 |
SF08C |
Position |
Rear |
Rear |
Rear |
Rear |
Construction |
Gear |
Gear |
Gear |
Gear |
Rated Voltage |
24/36/48V |
24/36/48V |
24/36/48V |
24/36/48V |
Rated Output |
180-350W |
180-350W |
250-350W |
250W |
Max Torque |
45N·m |
45N·m |
42N·m |
42N·m |
Wheel Size |
16'' - 28'' |
16'' - 28'' |
16'' - 28'' |
16'' - 28'' |
Rated Speed |
25-30km/h |
25-30km/h |
25-28km/h |
25-28km/h |
Temperature |
-20-45°C |
-20-45°C |
-20-45°C |
-20-45°C |
Rated Efficiency |
≥82% |
≥82% |
≥78% |
≥78% |
Reduction Ratio |
1:4.4 |
1:4.4 |
1:4.4 |
1:4.4 |
Weight |
2.2kg |
2.4kg |
2.8kg |
2.8kg |
Open Size |
140mm |
135-140mm |
139mm |
145mm |
Drive and Freewheel |
6s-7s |
4s-8s |
6s-7s |
8s-9s |
Cable Location |
Shaft Center Right |
Shaft Center Right |
Shaft Center Right |
Shaft Center Right |
Hall Sensor |
Optional |
Optional |
Optional |
Optional |
Integrate Speed Sensor |
Optional |
Optional |
Optional |
Optional |
Surface |
Shinning/ Balck/ Silver |
Shinning/ Balck/ Silver |
Balck/ Silver |
Balck/ Silver |
Brake Type |
V/Disk/Expansile |
V/Disk |
V/Disk |
V/Disk |
Noise |
<55 db |
<55 db |
<55 db |
<55 db |
Waterproof Grade |
IP65 |
IP65 |
IP54 |
IP54 |
Salt Spary Standard(h) |
24/96 |
24/96 |
24/96 |
24/96 |
Designed to elevate your riding experience to new heights. With a wide range of power options from 180w to 350w, our rear hub motor is engineered to deliver exceptional performance across various electric bike models such as eCity, eTour, eFold, and eRoad Bikes.
Our rear hub motor boasts high efficiency, with ratings of over 78% and 82%, ensuring that every ounce of power is utilized to propel you forward with minimal energy consumption. Additionally, its high torque of over 42N·m guarantees a smooth and powerful ride, even on challenging terrains.

We understand the importance of durability and reliability, which is why our rear hub motor is designed with IP65 and IP54 ratings, providing protection against dust, water, and other environmental factors. This ensures that your motor remains in optimal condition, regardless of the weather or road conditions.
With over 15 years of experience in e-bike motors, we have perfected the art of balancing high performance with affordability, offering a high performance-price ratio that is unmatched in the industry. Our rear hub motor is a testament to our commitment to delivering top-notch quality without breaking the bank.















