Genuine SRAM AXS Battery

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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. AXS Batteries ship via ground only. FAA regulations prohibit lithium batteries from being transported by air. Show more