Feature:

1.It's the newest version has two plugs for gear shift sensor and 6V light.

 2. 25 amp upgraded IRFB3077 mosfets controller (up to 1300 watt with 52 volt battery) 

Specification:

Core Data
Position: Mid Motor
Construction: Geared Motor
Nominal Voltage: 48V
Rated Power: 750w
RPM: 130-150
Max Torque: 160 N.m
Efficiency: 85%
PAS SENSOR: Speed sensor
Shaft Standard: JIS
Mounting Parameters
Weight: 4.8 kg
Function
E-Brake:Yes
Gearsensor Function:Yes
Light Drive Capacity(DCV/W):6/3(max)
Further Specifications
Cadence (Pulses/Cycle):N/A
Reduction Ratio: 1:21.9
Magnet Poles:8
Noise: <55dB
Hall Sensor: optional
Connector: Waterproor
Tests &