36V 250W Bafang Mid Drive Motor With an integrated speed sensor, this mid-drive motor, which is compatible with standard bikes, has a rated power of 250W, a reduction ratio of 1: 21.9 and a maximum torque of 80 N.m, providing ideal power for vehicles. Light but strong and efficient, this motor greatly enhances riding comfort and is suitable for touring bikes and commuter bikes.   

  Feature: ✅[Four riding modes] Pure electric mode & human riding model & power assistance & push model. 4 working modes can be switched at will. ✅[Easy Installation] Can be successfully installed into an electric bicycle in just a few time by only a few tools which can remove the crankset and the center shaft, as well as tools for installing this mid-drive motor. ✅[Universal Compatible] It's compatiable with mountain bike,road bike, racing bike ect bikes with 68-73mm bottom bracket.

Motor Specification: Motor Model: BBS01B Bafang Model: MM G340.250 Power:250W Voltage:36V Controller Current: 15A No Load Speed(RPM) :83-87 Load Speed(RPM):78-83 MAX Torque:80 N.m Efficiency: > 80% PAS SENSOR : Speed Sensor Reduction Ratio: 1 : 21.9 Centification:CE/EN 14764/ROHS Waterproof Grade:IP65 Motor Weight: 3.98kg Bracket bottom length:68mm Operation Temperature:-20-45℃ Waterproof Grade: IP65 Display Working Temperature: -20-80C   36V 17.5Ah Specification: Nomal Volt:36V                                                                                                   
Rated Capacity:17.5Ah
Battery Cell:Built in Samsung 29ET 2900mah.60PCS                                                                              
Array mode:10s6p
Battery size:367.2*90.1*111mm
Battery Weight:4.1KG
Max Constant Discharge Current:30A
Peak current:60A
Charge voltage:42V
Discharge cut off voltage:28V
Way of Charge:CC/CV
Cycle Life:1000 tims
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Protection Function:Over charge, Over discharge,Over current, Short circuit,  Balance