SRAM, Red E1 2x, Chainring, Teeth: 48/35, Speed: 12, BCD: Direct Mount SRAM 8 Bolt

SRAM, X-SYNC 2 X01 Eagle Polar Grey, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount, Single, Alloy, Offset 3mm, Grey

SRAM, 50D, 11sp, BCD: 110mm, 5 Bolts, Force22 X-Glide, Outer Chainring, For 34/50, Aluminum, Black, 11.6218.010.001

SRAM, X-Sync 2 Oval, 34T Chainring, 11/12sp, BCD: Direct Mount, Aluminum, Black, 6mm offset