SRAM RED XPLR X-Sync Thread Mount Chainring - 42t 12/13-Speed Thread Mount For RED XPLR AXS PM Spider 6.5mm Offset BLK/Silver E1 Length-20mm but a few derailleur hangers

but a few derailleur hangers don’t meet the spec

No tools required for quick setup and storage

Brakes mount to fork or frame posts

Need to go fast

}Full Speed Ahead Gradient Direct Mount SH12 Chainring - 32t FSA Direct Mount Compatible with Shimano 12-Speed Hyperglide+ Black

SRAM RED XPLR X-Sync Thread Mount Chainring - 42t 12/13-Speed Thread Mount For RED XPLR AXS PM Spider 6.5mm Offset BLK/Silver E1 Length-20mm but a few derailleur hangersDesigned for use with SRAM's new RED XPLR AXS power meter these replacement rings are purpose made for use with a Thread Mount spider design. This chainring mount system allows riders to minimize weight maximize stiffness and accuracy and retain the ability to swap ring sizes. Thread Mount design is light stiff and accurate Compatible with all SRAM road Flattop chains Includes thread back up pin for chainring SRAM Thread Mount Chainring Removal Tool