SRAM, X-SYNC 2 Bosch, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount, Single, Steel, Black

SRAM, 38T, 10 sp, BCD 104mm, 4-Bolt, Outer Chainring, For L-pin GXP, Aluminum, Black, 11.6215.188.440

Shimano, FC-M530 Chainring, 48T

Works Components, SRAM GXP Direct Mount, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount SRAM 3 Bolt, Front, 7075-T6 Aluminum, Black

SRAM, X-Sync 2, 6mm offset, 32T, 12sp., BCD: Direct Mount, Single Chainring, Aluminum, Black