Shimano, GRX FC-RX600 2x10 / 2x11, Chainring, Teeth: 30, Speed: 10/11, BCD: 80, Bolts: 4, Inner, Aluminum, Black

SRAM, 39T, 10 sp, BCD 120mm, 4-Bolt, All 26/39, Outer Chainring, For L-pin GXP 2x10, Aluminum, Black, 11.6215.188.260

SRAM, 38T, 10 sp, BCD 104mm, 4-Bolt, Outer Chainring, For L-pin GXP, Aluminum, Black, 11.6215.188.440

Wheels Manufacturing, Shimano DM T-Type Outboard, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount Shimano, Single, 7075 Aluminum, Black

Truvativ, 22T, 9 sp, BCD 64mm, 4-Bolt, Inner Chainring, For MTB triple, Steel, Black, 11.6215.064.000

SRAM, Bosch DU38 XX T-Type, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount Bosch DU38, Steel, Black