SRAM, 50D, 11sp, BCD: 110mm, 5 Bolts, Red22 X-Glide, Outer Chainring, For 34/50, Aluminum, Grey, 11.6218.010.000

SRAM, X-SYNC 2 SL XX1 Eagle Lunar Grey 3mm, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Single, Alloy, Grey

Shimano, XT SM-CRM85, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount, Aluminum/Composite/Steel, Black

TRP, EVO 12 CR-M9050, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount, Front, Aluminum, Black

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

SRAM, X-Sync, 3mm offset, 32T, 12sp., BCD: Direct Mount, Single Chainring, Aluminum, Black