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 }Full Speed Ahead Gradient Direct

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

}TruVativ Descendant Carbon Eagle Boost Crankset - 175mm 12-Speed 32t Direct Mount DUB Spindle Interface Black

Speed: Fast (can be Fast to Very Slow adjustable w/ optional speed reducers)

Custom fit rubber flap can be trimmed to fit in smaller diameter bars

but a few derailleur hangers don’t meet the spec

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 }Full Speed Ahead Gradient DirectDesigned 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