SRAM, X-SYNC 2 SL XX1 Eagle Lunar Grey 6mm, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount, Single, Alloy, Grey

Works Components, GEO SRAM GXP, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount SRAM 3 Bolt, Front, 7075-T6 Aluminum, Black

SRAM, X-Sync 2, 6mm offset, 32T, 12sp., BCD: Direct Mount, Single Chainring, Aluminum, Black

SRAM, X-Sync 2 Steel 104mm BCD, Chainring, Teeth: 38, Speed: 11/12, BCD: 104, Bolts: 4, Steel, Black