SRAM eTap and eTap AXS Battery compatio_raw 40- and 110-Series headsets and

40- and 110-Series headsets and backwards compatible with S and XX Series

Hydraulic lockout equipped

Hardened CRV tool steel keeps contact points precise and consistent

Bottom bracket with small ball bearings for lightweight

With this adaptor piece

SRAM eTap and eTap AXS Battery compatio_raw 40- and 110-Series headsets andThe 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. Charges in 60 minutes or less Lightweight (24g) and easy to transport Same battery design for all AXS components and original SRAM RED eTap