Shimano, Tiagra FC-4700, Chainring, Teeth: 34, Speed: 10, BCD: 110, Bolts: 4, Inner, Aluminum, Grey, Y1RC34000

SRAM, S1000 Aluminum 8 Bolt, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount, Bolts: 8, Aluminum, Black

SRAM, Eagle T-Type E-MTB, Chainring, Teeth: 34, Speed: 12, BCD: 104, Bolts: 4, Steel, Black

SRAM, X-SYNC Eagle Aluminum 3mm F1, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount SRAM 3 Bolt, Bolts: 3, Aluminum, Black

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