SRAM, X-SYNC 2 107mm, Chainring, Teeth: 36, Speed: 12, BCD: 107, Bolts: 4, Single, Aluminum, Black

SRAM, X-SYNC 2 SL XX1 Eagle Lunar Grey 6mm, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Single, Alloy, Grey

SRAM, X-SYNC Eagle Steel 3mm F1, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount SRAM 3 Bolt, Bolts: 3, Steel, Black

FSA, 371-0250, 50T, 11sp, BCD: 110mm, 5 Bolt, Super ABS Road, Outer Chainring, For Double, Aluminum, Black

SRAM, X-SYNC 2 107mm, Chainring, Teeth: 40, Speed: 12, BCD: 107, Bolts: 4, Single, Aluminum, Black