BAFANG 1000W 750W 500W Mid Drive Kit with Battery, 52V 48V Ebike Middle Drive Motor, HD BBS02B DIY Electric Bicycle Conversion Engine 68MM 100MM 120MM with Down Tube/Rear Hanger Bike Battery Pack

• Wide compatibility: The Bafang mid-mounted motor kit is compatible with bottom brackets with a width of 68-73 mm/90-100 mm/110-120 mm and an inner diameter between 34-36 mm. You can install the mid-drive motor on your mountain bike, road bike or commuter bike. However, it is not recommended for bicycles with carbon fibre frame or coaster brakes. The connection type of the motor is XT60, but that of the HD 1364W motor is Anderson. Middle motor system and bicycle mode: With a maximum torque of 100/120/160 Nm, all BAFANG conversion kits for the riders offer excellent performance when cycling. There are 3 driving modes for the mid-drive motor: thumb switch, pedal support and the combination of the two modes. The three modes will meet your different needs perfectly. The best-selling variants in our shop are 500W, 750W and 1364W. Do not replace the plug by itself. Easy installation: The basic install accessories are included. You can install them soon. If you are not sure whether your bike is suitable for conversion, please contact us by email and let us get some pictures of your bike, especially important is the picture in which the distance between the crank and the chain stay is drawn. We have created a document with a measurement chart from the bottom brackets, so you can determine if your bike is compatible with our engine. Packing list & note: Selectable motor, Selectable battery with charger,one display (selectable), 44T chainring with chain guard for BBS motor as standard (46T chainring without chain guard for HD 1000W motor as standard), speed sensor, brake levers, cranks, 1T368 cables, thumb levers, installation screws. Also include headlight, wrench, crank puller, gloves and battery cover. Reliable customer service:We will inform you by email if there is a problem. Please note your email from Amazon. The motor has a one-year warranty and 388-hour customer service. We have professional technicians in US who offer technical support to help solve the problem