The sram battery serves as a reliable power source for all electronic sram axs and etap components. It is compatible with front derailleurs rear derailleurs axs seat posts and the flight attendant system. Thanks to its uniform design the same battery can be used flexibly between the individual components. - compatible with eagle axs / transmission axs / red axs / force axs / rival axs / apex axs / reverb axs flight attendant and red etap rear derailleurs and front derailleurs - rechargeable battery (charger not included) - range of up to 1000 kilometers per charge - color: black - weight: 24g