Bicycle Accessories 50% off. Bafang BBSHD 48V1000W 120mm Mid Drive Motor DIY Ebike Conversion Kit Battery. HOW DO I KNOW IF. MID DRIVE MOTOR FITS FOR MY BIKE? 250W-750W: This mid drive motor fits for the bike with 68mm or 73mm wide bottom bracket. The inner diamater of the bracket should be not less than 33.5mm. 48V52V 1000W: The BBSHD comes in sizes made to fit the size of your bottom bracket. Please measure your bottom bracket before ordering, in case it does not fit. We have both in standard sizes (68-73mm), wide and fat sizes (74-100mm) and extra fat (100-120mm). If your bike is not regular, additional spacer may be needed. #68mm BBS: it’s suitable for 68mm (2.68inch)-73mm (2.87inch) bike. #100mm BBS: 100mm bike or 90mm bike +1pc10mm spacer. #120mm BBS: 120mm bike or 110mm bike +1pc10mm spacer. How to choose a display? The main differences of the ebike displays are the interface, screen and holder size, specific function (check the display image below). If you want to quick decide which display should you choose, please check. NEW Arrivals : 750C with Bluetooth Function. Popular Sale Displays : 850C/860C New(Send randomly), DPC18. Cost Effective Displays : C965 (800S). How to choose a chainring for ebike conversion? For a normal pedal bike without electricity. Is more compatible with mountain bike which can help you climb easier. Is more suitable for city bike, road bike and foldable bike which can help you enjoy faster speed. Now you are converting a bike to an ebike with motor, the size of chainring won’t influence much because there is enough power for you to ride. When you install a mid motor on your bike, the bigger the chainring is, the faster the speed wil be. And please note that the chainring is more compatible with a bike? 9 speed. If you are not sure which chainring you should use, you can consider the same teeth as your original chainring. Brake Lever or brake sensor? The brake lever we send by default has a power-off function. We provide you with some tips on choosing the appropriate braking system options. If your bicycle braking system is a mechanical disc brake or a wheel V-shaped brake, you can choose the brake lever option. If your bicycle braking system is an integrated thumb shifter, it is hydraulic braking, or if you want to keep your own brake lever. You can choose the brake sensor in the BAFANG mid wheel drive kit. How to Choose the Right Battery. Motor-Optimized: Our batteries are designed to perfectly match our motors for peak performance. Check Dimensions: Ensure compatibility with your bike. 48V 20AH: 125mm height S. 48V 13AH: 113mm height GC. Premium Cells: High-quality S. Amsung cells for durability and reliability. Always verify battery dimensions before purchasing to ensure a proper fit for your bike. 1 PC BAFANG Mid Drive Motor. 1 PC Display (Optional). 1 Pair Brake Lever or 2PCS Brake Sensor (Optional). 1 PC Speed Sensor. 1 PC 1T4 Cable. Battery According to your choice. Please do not open return. Or send a video. You within 12 ho. We have multiple overseas. We track logistics information in real. And providing customers with a perfect shopping experience is our bafang. We are a company specializing in the production of electric bicycle accessories, and we can provide one-stop service to all customers. Our products include Bafang. Motors, controllers, lithium-ion batteries, display, and other conversion kits, Please Follow Our Store. Our vision is to let customers around the world enjoy th. E fun of cycling. Welcome all those who love cycling to join us, We will strive to provide you with a better experience. Our cu sto mer service will co ntact you within 12 hours. Our motor kits are warranted for one year. If you have product problems. The battery goes over water. The battery is broken man- made. Return the Item without reason. Open a case without contacting us.