The E-bike Battery Bottom Base Mount Plate Bracket Holder is a crucial component for electric bikes, providing a secure and stable base for the battery. This 5pin mount plate ensures a snug fit for the battery, keeping it in place during rides. The set includes the bottom bracket, making it easy to install and providing a reliable support system for your electric bike's battery. Perfect for cycling enthusiasts looking to upgrade or repair their electric bike, this bottom base mount plate bracket holder is a practical and essential part for any e-bike.