This is a high - definition (HD) motor core designed specifically for the Bafang BBSHD. It comes with an HD motor core gasket, a wire rubber seal, and a motor hall seal. The Bafang BBSHD has multiple bottom bracket options. The 68mm and 73mm HD motors use the same motor core, while the 100mm, 110mm, and 120mm ones share the same HD core.

Using this Bafang BBSHD motor core is straightforward. First, make sure your Bafang BBSHD motor is powered off. Then, carefully install the motor core following the included gasket and seals. When installing, ensure the parts fit snugly to avoid any loose connections. For maintenance, regularly check the rubber seals for wear and tear. If you notice any damage, replace them promptly. Keep the motor core clean and dry. Avoid using it in extremely wet or dusty environments. If you encounter any problems during use, consult the product manual or contact customer support.