Sram eTap Battery

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.

• Front and rear derailleur batteries are interchangeable
• Charger sold separately, connects via USB power source (or can be paired with a A/C-USB adapter
• Up to 1000 kilometers of riding per charge
• Full charge takes 45 min