SRAM Eagle AXS Rear Derailleur Battery Cover - Black CheckoutSpec= 4-Pack Polished titanium hardware provides the

Polished titanium hardware provides the strength and weight savings youd expect from this top-of-the-line brake

Carbon friendly compression ring

Perfect chainline for wear and shifting precision

front/rear rear (XD) axle/spacing (mm) 12x148 Boost hole 28h color black weight 273g

SRAM Eagle AXS Rear Derailleur Battery Cover - Black CheckoutSpec= 4-Pack Polished titanium hardware provides theSRAM 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