SRAM Eagle AXS Rear Derailleur Battery Cover - Black MFPN=W035-0121 Zirconium Doped 7-series alloy

Zirconium Doped 7-series alloy

Not a sealant sponge – keeps sealant where it belongs

Made from a heavy weight silicon

it goes one step further by cleanly hiding the AirTag between the bottle cage and bike frame for an added level of security

Labeled Size 20 x 1

SRAM Eagle AXS Rear Derailleur Battery Cover - Black MFPN=W035-0121 Zirconium Doped 7-series alloySRAM Eagle AXS Rear Derailleur Battery Cover Black. The SRAM AXS battery cover is a light weight cowling designed to protect the battery while installed on the derailleur. The AXS battery cover fits all AXS mountain bike derailleurs. Designed to fit all AXS mountain bike rear derailleurs