Easton 1x Direct Mount 12sp Chainrings Mate Cinch Cranks to GRX, 105, Ultegra & Dura-Ace - Bikerumor
absoluteBLACK Oval CX 1x Chainring for Shimano 8000/9100 - Power Meter City
Amazon.com : Bike Crankset Lightweight Hollow Integrated Aluminium Alloy Single Chainring 40-50T Direct Mount with BB63-73mm for Road Folding Bike 170/172.5/175mm Crank (Color : 40T, Size : 170mm) : Sports & Outdoors