Shimano, GRX FC-RX600 1x11, Chainring, Teeth: 40, Speed: 11, BCD: 110, Bolts: 4, Single, Aluminum, Black

Rocky Mountain, 30T Chainring for Microdrive Crank

Shimano, Ultegra FC-R8000, Chainring, Teeth: 34, Speed: 11, BCD: 110, Bolts: 4, Inner, Aluminum, Grey, Y1W834000

SRAM, Eagle 90 8 Bolt, Chainring, Teeth: 34, Speed: 12, BCD: Direct Mount, Bolts: 8, Steel, Silver

SRAM, X-Sync, Chainring for Bosch motors, 18T

SRAM, XX Eagle T-Type DM E-MTB Bosch, Chainring, Teeth: 32, Speed: 12, BCD: Direct Mount Bosch, Black