Keep your wireless drivetrain performing at its best with the SRAM RED eTap AXS Replacement Derailleur Battery. Designed as a direct replacement battery for SRAM electronic drivetrains, this rechargeable battery ensures reliable shifting performance for road, gravel and performance cycling setups.
Compatible with both SRAM RED eTap 11-speed and SRAM eTap AXS 12-speed systems, this battery provides a convenient spare or replacement solution to keep your bike race-ready. SRAM uses the same removable battery platform across compatible front and rear derailleurs, allowing easy swapping between derailleur units when required.
Whether you’re preparing for a race, replacing an ageing battery or simply carrying a backup for long rides and travel, the SRAM eTap AXS battery delivers the dependable power needed for smooth, wireless electronic shifting.
Features
Genuine SRAM eTap AXS replacement battery
Compatible with SRAM RED eTap and eTap AXS drivetrains
Works with compatible front and rear SRAM derailleurs
Rechargeable lithium-ion battery system
Quick installation and removal
Ideal as a spare battery for racing, training and travel