Shimano, 105 FC-R7000, Chainring, Teeth: 39, Speed: 11, BCD: 110, Bolts: 4, Inner, Aluminum, Black, Y1WV39000

SRAM, XX Eagle T-Type DM E-MTB Bosch, Chainring, Teeth: 36, Speed: 12, BCD: Direct Mount, Aluminum/Steel, Black

SRAM, X-SYNC 2 Steel 3mm, Chainring, Teeth: 34, Speed: 11/12, BCD: Direct Mount, Single, Steel, Black

SRAM, X-Sync, 3mm offset, 36T, 12sp., BCD: Direct Mount, Single Chainring, Aluminum, Black

SRAM, Eagle T-Type DM XX SL 0mm Offset, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount, Aluminum, Black