The SRAM battery is the power source for eTap® or AXS™ components. The same power unit is interchangeable between front and rear eTap® AXS™ derailleurs, Eagle AXS™ derailleurs, and the RockShox Reverb AXS™ seatpost.
In the box
AXS and eTap Battery
Charges in 60 minutes or less
Lightweight and easy to transport
Same battery design for all AXS™ components and original SRAM RED® eTap®