🚲【Universal Compatibility】Bafang BBS02B Mid drive kit is compatible with a wide range of bikes, including mountain bikes and road bikes. This kit is designed to fit a standard 68-73mm (length) and 34-36mm (internal diameter) bottom bracket. If you need the 100MM bottom bracket, please search this ASIN: B098LHLKL6 🚲【Powerful and Reliable Motor】The BBS02 750W/1000W motor has a maximum torque of up to 100-160 N.m, making it perfect for climbing hills and reaching speeds of over 25mph on the flats and much faster down hills. It's a great item for anyone who loves to ride, including your spouse or elderly family members 🚲【Easy Installation & Riding Modes】Our kit comes with an installation video and instruction manual to make installation a breeze. You can choose from three riding modes: E-bike & Pedal Assisted bicycle and Push assit bicycle. With this BAFANG ebike conversion kit, you can build your own E-bike and never worry about traffic jams again. Plus, it's economical and environmentally friendly 🚲【Complete Accessories】Our kit comes with most the necessary accessories, including the bafang Mid-drive motor, brake lever or hydraulic brake sensor cables, thumb throttle, chainring wheel, crank, LCD display, speed sensor, 1T4 wire, locknuts, wrench, and an ebike headlight (in default) 🚲【American Service Center】Local warehouse in US/UK/CA/EU.If you experience any quality problems within one year, our North American service center is available to provide technical support and maintenance. 🚲【Universal Compatibility】Bafang BBS02B Mid drive kit is compatible with a wide range of bikes, including mountain bikes and road bikes. This kit is designed to fit a standard 68-73mm (length) and 34-36mm (internal diameter) bottom bracket. If you need the 100MM bottom bracket, please search this ASIN: B098LHLKL6 🚲【Powerful and Reliable Motor】The BBS02 750W/1000W motor has a maximum torque of up to 100-160 N.m, making it perfect for climbing hills and reaching speeds of over 25mph on the flats and much faster down hills. It's a great item for anyone who loves to ride, including your spouse or elderly family members 🚲【Easy Installation & Riding Modes】Our kit comes with an installation video and instruction manual to make installation a breeze. You can choose from three riding modes: E-bike & Pedal Assisted bicycle and Push assit bicycle. With this BAFANG ebike conversion kit, you can build your own E-bike and never worry about traffic jams again. Plus, it's economical and environmentally friendly 🚲【Complete Accessories】Our kit comes with most the necessary accessories, including the bafang Mid-drive motor, brake lever or hydraulic brake sensor cables, thumb throttle, chainring wheel, crank, LCD display, speed sensor, 1T4 wire, locknuts, wrench, and an ebike headlight (in default) 🚲【American Service Center】Local warehouse in US/UK/CA/EU.If you experience any quality problems within one year, our North American service center is available to provide technical support and maintenance.