Bafang 48v 750w bbs mid motor kit,intergrate controller, with a small size but can provide 160N.m torque. Need to throught chain to transmission power, two aluminium brake levers when you brake can cut off power. Powerful C965 LCD display can set the speed limit, circle diameter etc. also can tell you battery states,time,power,mileage etc. This motor need your bicycle frame bottom bracket is 68mm or 73mm. If you use hydraulic brakes, you also can install this sysytems, we will prepare a brake sensor to you. SPECIFICATIONS Core Data Position : Mid Motor Construction : Gear drive Rated Voltage (DCV) : 48 n0 (Rpm) : 160 Rated Power (W) : 750 nT(Rpm) : 135 Max Torque : 160 N.m Efficiency (%) : ≥ 80 % Pedal Sensor : Speed Shaft Standard : JIS Color : Black Weight (kg) : 6.5 Noise Grade (dB) : Operating Temperature : -20-45℃ Function E-Brake : Yes Gearsensor Function : Yes Light Drive Capacity (DCV / W) : 6 /3(max) Further Specifications Speed Detection Signal (Pulses/Cycle) : 1 Reduction Ratio : 1:21.9 Magnet Poles (2P) : 8 Tests & Certifications IP : IP 65 Certifications : CE/ EN 14764 / ROHS Salt Spary Test Standard(h) : 96 PACKING LIST 1x Mid Motor (Integrates Controller) 1x C965 LCD Display 1x 46T Chain Wheel 1x Chain Cover 1x Thumb Throttle 1x Speed Sensor and Magnet 1x Screws 2x Crank 2x Brake Lever