SRAM, X-SYNC 48T 110mm, Chainring, Teeth: 48, Speed: 11, BCD: 110, Bolts: 5, Single, Aluminum, Black

Shimano, Tiagra FC-4703, Chainring, Teeth: 30, Speed: 10, BCD: 74, Bolts: 4, Inner, Steel, Grey, Y1RD30000

SRAM, 42T, 10 sp, BCD 120mm, 4-Bolt, All 28/42, Outer Chainring, For L-pin GXP 2x10, Aluminum, Black, 11.6215.188.240

SRAM, T-Type Brose A1, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount

Wheels Manufacturing, Shimano DM HG+ Outboard, Chainring, Teeth: 28, Speed: 12, BCD: Direct Mount Shimano, Single, 7075 Aluminum, Black

Shimano, XT SM-CRM85, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Aluminum/Composite/Steel, Black