Basic Info.
Model NO.
QS-138
Type
Motorcycle Engine
Certification
CE
Material
Alloy
Usage
Car, Electric Bicycle, Home Appliance
Construction
Permanent Magnet
Speed(Rpm)
3850rpm
Transport Package
Carton with Foam
Specification
2000w
Trademark
QS
Origin
China
HS Code
8711600010
Production Capacity
500000pieces/Year
Product Description
QS 138 50H 2000W 4100W Peak 72V 70KPH Mid Drive Motor for Electric Motorcycle and Bike
For 138 50H 2000W mid drive motor , it could be used for electric light motorcycle,
which could be 72V 70KPH.
P.S. If you have any confused about the shipping cost, please feel free to contact with us. Also could place order but don't pay first, then we could adjust the price.
One set including below kits
1.1pcs X 138 50H 2000W Mid Drive Motor without Pulley
Key Features
1) Light weight and small dimension compare to hub motor
2) High performance benefit from flux weakening
3) High efficiency during climbing, and better acceleration
4) Support regenerative braking
Product Description
QSMOTOR 138 50H 2000W Mid Drive Motor
| Motor Type | PMSM Inner Rotor Motor | Motor design | single axle |
| Brand | QS Motor, QS MOTOR | Matched wheel | 12 inch (as default) |
| Magnet Height | 50mm,5 pole pairs | Diameter of stator | 120mm |
| continuous battery current | 30A | Rated power | 2000w |
| Rated Voltage | 72v (as default) | Speed | 2800RPM |
| With flux weakening | 3850RPM | Max Torquer | 45-51N.M |
| Thermic Probe | KTY83/122(as default) | Max Effciency | 93% |
| Peak battery current | 70A | Hall sensor | Single hall plate with waterproof connectors |
| Phase wire | 8mm² cross section | Waterproof grade | IP66 |
| Color | Black | N.W/G.W | 10.8kgs/11.5kgs |
| Package Dimension | 34cm*34cm*33cm |