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

Wheels Manufacturing, 3-Bolt T-Type, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount SRAM 3 Bolt, Aluminum, Black

Wheels Manufacturing, Shimano DM HG+ Inboard, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount Shimano, Single, 7075 Aluminum, Black

SRAM, X-SYNC 2 107mm, Chainring, Teeth: 42, Speed: 12, BCD: 107, Bolts: 4, Single, Aluminum, Black

SRAM, X-SYNC 2 Steel 3mm, Chainring, Teeth: 30, Speed: 11/12, BCD: Direct Mount, Single, Steel, Black