Suzhou Wanjia Electric Co., Ltd.

S20 Series

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Product Details

※ ≥ 80% motor efficiency performance & wide interval

※  80 N.m max torque continus output

※  Integrated torque sensor and speed sensor

※  Lora-technology based wireless torque sensor

※  Over 20,000 extensive testing kilometers under real live road conditions


SeriesS20 Series
Model No.



Usage RecommendationCity/Trekking/Road
Pedal SensorCadence and Torque Integrated
Max torque60N.m
Maximum support Cadence(Rpm)120
Max support up to25km/h
Decoupling Mechnical ResistanceAvailable
Coaster Brake-
Size210mm × 90mm × 95mm
Weight approx2.5Kg
Efficienct (%)≥ 80
Hall Sensor/ EncoderEncoder Optional
Shaft StandardISIS
Light Drive Capacity(DCV)-
Gear Ratio47.7
Operating Temperature-20 ~ 45 ℃
IP LevelIP 65 
CertificationROHS/CE EN15194

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