36V 250W Bafang Mid Drive Motor. Power Cable: XT60 Male, Battery need XT60 Female connector. Battery Communication Cable: you can ignore the communication cable if you do not use bafang battery. Front Light Cable: DC output 52V-36V Current 0.07A. Red positive pole, Black negative pole. Rear Light Cable: DC output 10.4V-7.2V Current 0.014A. White positive pole, Black negative pole. Core Data Position: Mid Motor Construction: Geared Motor Nominal Voltage: 36V Rated Power: 250w RPM: 78-83 Max Torque:80N. M Efficiency: 80% PAS SENSOR: Speed sensor Shaft Standard: JIS Mounting Parameters Weight:3.8kg 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(2p):16 Noise. How to choose the brake lever or hydraulic brake sensor? The kit will work with or without the brake sensors plugged in. The Bafang kit does not come with brake sensors, you can select the brake levers option made for standard cable actuated brakes. You also have the option of getting magnet sensors which allows you to adapt your existing brakes. This will help with users who have hydraulic brakes the sensors are not compatible with. There will have extra cost if your address is belong to remote areas. The return items must be in original conditions never used.