Truvativ, 22T, 8-9-10sp, BCD 64mm, 4-Bolt, Inner Chainring, For MTB triple, Aluminum, Black, 11.6215.089.000

SRAM, X-SYNC 2, 38 Chainring, 12sp, BCD: 104, Aluminum, Black

SRAM, Eagle T-Type Thread Mount 0mm Offset, Chainring, Teeth: 36, Speed: 12, BCD: Thread Mount, Aluminum, Black

SRAM, X-Sync 2 Eagle 3mm Offset, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount, Single, Aluminum, Gold

Look, Mounting hardware for SRAM E Tap chainrings