Motor Type: QS138 55H 2.5kw Intermediate Drive Motor
Motor Design: PMSM
Reduction Ratio: 1:2.35
Matching Tires: 12-17 inches
Magnet Height: 55 hrs
Rated Power: 2500W
Rated Voltage: 48v-72v
Speed: 4700RPM (No Load)
Maximum Torque: 50N.m
Cooling Method: Air-Cooled
Maximum Efficiency: 93%
Heat Probe: KTY83-122
Operating temperature: 70-120 °C, peak 150 °C
Hall sensors: 1 set
Phase cable: 16 mm² section of phase wire (excluding insulation)
Waterproof rating: IP67
Color: Black
N.W./G.W.: 13 kg/14 kg
Packing size: 34 cm * 33 cm





QS138 55H 2500W High Speed High Power PMSM Motor and Gearbox for Motorcycles
US$ 205.00 / 1 Piece
1Piece Minimum order
Rated voltage:
48v - 72v
Rated Power:
2500W
About this item
- Model: QS138 55H 2.5kw Rated voltage: 48v-72v Rated power: 2500W
- Type: Mid-drive motor
- High efficiency and better acceleration when climbing hills, light weight and small size compared with hub motors
- For electric light motorcycle
- One year warranty
Jinhua Yisong Trading Co., Ltd

Avg Response Time: ≤24 h
Business Type: e-motorcycle
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Jinhua Yisong Trading Co., Ltd
Address | 5th Floor, Building 6, No. 399 Shicheng Street, Qiubin Subdistrict, Wucheng District, Jinhua City, Zhejiang Province, China | ||||
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Homepage Address | https://www.starterstock.com/shop/yisong/ | ||||
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