SRAM, Red E1 Aero, Chainring, Teeth: 44, Speed: 12/13, BCD: Direct Mount SRAM 8 Bolt, Black

Shimano, Ultegra FC-R8000, Chainring, Teeth: 36, Speed: 11, BCD: 110, Bolts: 4, Inner, Aluminum, Grey, Y1W836000

Wheels Manufacturing, Shimano DM HG+ Inboard, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount Shimano, Single, 7075 Aluminum, Black

Wheels Manufacturing, Chainring spacers, Bag of 20, Middle, 0.6mm, 10mm ID