Sram AXS
https://www.velonews.com/gear/tech-wearables/tech…nts-and-hydraulic-brakes/
https://bikerumor.com/wolf-tooth-components-ad…compatible-1x-chainrings/
https://zerofrictioncycling.com.au/product/12-speed-chain/
"NOTE: SRAM AXS ROAD drivetrain MUST RUN SRAM AXS FORCE OR RED CHAINS – NO AFTERMARKET / OTHER CHAIN TYPES ARE COMPATIBLE – Axs road is a much more narrow chain and has oversize rollers – you MUST run axs road chains, YBN / CAMPY / Shimano 12spd chains are NOT compatible with AXS Road 12spd."