The SRAM eTap Eagle Battery Protector is a simple and inexpensive way to keep the heart of your drivetrain safe. It is lightweight and durable to protect the battery through rowdy trail rides where it is most likely to get dinged up. The protector is compatible with all SRAM AXS mountain bike derailleurs. This battery protector is a vital and affordable addition to your bike that can keep your groupset working at its best.