SRAM, X-SYNC 2 Bosch, Chainring, Teeth: 16, 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

SRAM, Red E1 Aero, Chainring, Teeth: 44, Speed: 12/13, BCD: Direct Mount SRAM 8 Bolt, Black

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

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