SRAM, Eagle 70 3 Bolt, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Bolts: 3, Steel, Black

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

SRAM, X-SYNC 2 SL 3mm, Chainring, Teeth: 32, Speed: 11/12, BCD: Direct Mount, Single, Aluminum, Gold

SRAM, Bosch DU38 XX T-Type, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount Bosch DU38, Steel, Black

Wheels Manufacturing, Shimano DM HG+ Outboard, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount Shimano, Single, 7075 Aluminum, Black