SRAM, Bolt Kit for Aeroguard for M8.5x7.0 / M8.5x5.0, Black, 11.6918.008.000

Shimano, Y1LL98020, 50T, 10sp, BCD: 110mm, 5 Bolt, Ultegra FC-6750G, Outer Chainring, For F-type compact, Aluminum, Grey

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

TRP, EVO 12 CR-M9050, Chainring, Teeth: 30, Speed: 12, BCD: Direct Mount, Front, Aluminum, Black