Wheels Manufacturing, Chainring spacers, Bag of 20, Middle, 1.2mm, 10mm ID

Wheels Manufacturing, 3-Bolt T-Type, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount SRAM 3 Bolt, Aluminum, Black

SRAM, Eagle 90 8 Bolt, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Bolts: 8, Steel, Silver

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

Shimano, Y1KN98060, 48T, 8sp, BCD: 104mm, 4 Bolt, Acera FC-M361, Outer Chainring, For 28/38/48, Steel, Black