Model No.

E20

E20-L250S

E20-L250S-CB

E21

E21-H350S

Usage Recommendation

City/Trekking/Mountain

City/Trekking/Mountain

Voltage

36V

48V

Rated Power

250W

350W

Pedal Sensor

Cadence and Torque Integrated

Cadence and Torque Integrated

Max torque

80N.m

80N.m

Maximum support Cadence(Rpm)

90

120

Max support up to

25km/h

45km/h

Decoupling Mechnical Resistance

-

-

Coaster Brake

Optional

Optional

Size 

184mm × 121mm × 110mm

184mm × 121mm × 110mm

Weight approx.

3.1Kg

3.1Kg

Efficienct (%)

≥ 80

≥ 80

Hall Sensor/ Encoder

-

-

Shaft Standard

JIS

JIS

Light Drive Capacity(DCV)

6V

6V

Gear Ratio

53.9

53.9

Operating Temperature

-20 ~ 45 ℃

-20 ~ 45 ℃

IP Level

IP 65    

IP 65    

Certification

UL/ROHS/CE/EN15194