NSB Variable Tooth Chainring, 4 Bolt, 64 BCD, 28 Tooth, Black

SRAM, Red/Force D1 DM, Chainring, Teeth: 42, Speed: 12, BCD: Direct Mount, Aluminum, Grey

SRAM, 36T, 10 sp, BCD 104mm, 4-Bolt, Outer Chainring, For L-pin GXP, Aluminum, Black, 11.6215.188.430

SRAM, Eagle 90 8 Bolt, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount, Bolts: 8, Steel, Silver