Shimano, GRX FC-RX600 1x11, Chainring, Teeth: 40, Speed: 11, BCD: 110, Bolts: 4, Single, Aluminum, Black

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

Wheels Manufacturing, Shimano DM T-Type Outboard, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount Shimano, Single, 7075 Aluminum, Black

SRAM, 34T, 10 sp, BCD 110mm, 5-Bolt, Inner Chainring, For 34/50, Aluminum, Black, 11.6215.197.020

Truvativ, 24T, 9 sp, BCD 64mm, 4-Bolt, Inner Chainring, For MTB triple, Aluminum, Black, 11.6215.093.000