BAFANG Mid Drive Motor Kit 250W 350W 500W 750W 1000W BBS01B BBS02B BBS-HD 36V 48V 52V, Electric Bike Conversion Kit with Downtube Battery 13Ah 15Ah 17.4Ah 17.5Ah 21Ah

• [ MID MOTOR SYSTEM & CYCLING MODE ] With the max torque 80/100/120/160 Nm, all BAFANG electric bike conversion kit has excellent performance on cycling. There are 3 cycling modes for the mid-drive motor : Throttle, Pedal Assist, Nomal Riding. Three modes perfectly satisfy your different needs. Please be sure to understand the local traffic laws and regulations before placing an order
• [ EASY INSTALLATION ] Not all types of bike can install this motor, please make sure bottom bracket is 68/100/120MM, inner diameter should be 34MM. Before purchasing, please download the size guide to measure the distance between the bottom bracket and chain stay, and confirm whether the size of the motor is compatible with the bottom bracket. If your bottom bracket is 90-99MM or 110-119MM, please contact us to get spacers
• [ PACKING LIST & NOTE ] Optional motor, a display (optional), 44T chainring with chain guard for BBS motor as default (46T chainring without chain guard for HD 1000W motor as defalut), speed sensor, gear shift sensor, hydraulic brake sensors, cranks, 1T4 cable, thumb throttle, installation screws. Gifts include headlight, wrench, crank extractor and gloves. Please kindly note that if you want the mechanical brake levers, email us after your purchase
• [ NOTICE TO CUSTOMERS ] 48V 1000W motor has 48V controller and 48V 1000W motor with 52V controller. But the two markings on the motor are 48V 1000W. If use the USB programming cable to program the 52V motor, will shows 48V parameter. We’re not recommend to program motors, reprogramming your drive may void you warranty. Some monitors cannot select the 52V setting, but the motor works fine. The motor is slightly waterproof, do not ride in the rain
• [ FAST SHIPPING & RESPONSIBLE CUSTOMER SERVICE ] EU address (except for island) will receive the parcel about 7-10 days. If there is any problem, we will send you an email, please keep an eye of your Amazon email. The motor owns one-year warranty & 24-hour customer service. We have professional techs in UK that can give you technical support and help you fix the problem