SRAM, GX Eagle C1, Chainring, Teeth: 30, Speed: 11/12, BCD: Direct Mount, Aluminum, Grey, 11.6218.046.001, 6mm

SRAM, X-SYNC 2 SL XX1 Eagle Lunar Grey 6mm, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount, Single, Alloy, Grey

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

SRAM, X-Sync, 28T, 11sp, Direct Mount 3mm Boost, Chainring, For single speed, Aluminum, Black