The SRAM eTap Battery is the power source for the eTap and AXS systems. The same battery is interchangeable between front and rear derailleurs. 00.3018.102.000
Batteries and chargers for Sram eTap set ups.
SRAM Red eTap Battery Block Front/Rear Derailleur (For 1 Derailleur)
SRAM eTap/AXS Cover for Battery Block by antionion, Download free STL model
All About AXS Batteries
To SRAM Force eTap AXS users - #41 by mnowakowski - Equipment - TrainerRoad
SRAM Expands Force AXS eTap Gearing Range with New 10-36 Cassette, Crankset, Derailleurs
SRAM Rival AXS eTap 12 Speed Rear Derailleur Medium Cage No
SRAM RED eTap Rear Derailleur - The Spoke Easy
SRAM XX1 Eagle AXS Rear Derailleur - 12 Speed, Long Cage, 52t Max, Black - Two Hoosiers Cyclery, LLC
SRAM Red eTap AXS 2x Electronic Groupset: Cable Brake/Shift Levers, Front and Rear Derailleurs, D1
SRAM Red eTap AXS Electronic Road Groupset - 2x12-Speed, HRD
SRAM X01 Eagle Rear Derailleur AXS Black 12-Speed / NO BATTERY OR CHAR – Wheel & Sprocket - Outlet
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SRAM eTap Battery Block