SRAM, Force E1 2x Direct Mount, Chainring, Teeth: 50/37, Speed: 12, BCD: Direct Mount SRAM 8 Bolt, Black

SRAM, X-SYNC Eagle Steel 6mm F1, Chainring, Teeth: 30, BCD: Direct Mount SRAM 3 Bolt, Bolts: 3, Steel, Black

Wheels Manufacturing, Shimano DM T-Type Inboard, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount Shimano, Single, 7075 Aluminum, Black

Shimano, XT SM-CRM86, Chainring, Teeth: 30, Speed: 12, Front, Aluminum, Black, ISMCRM86A0

SRAM, S1000 Steel 8 Bolt, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount, Bolts: 8, Steel, Black