Shimano, CUES BR-U6030, MTB Hydraulic Disc Brake, Rear, Flat mount, Disc: 160 or 180mm (not included), Black, EBRU6030RDRX

Shimano, Dura Ace Di2 ST-R9270 / BR-R9270, Road Hydraulic Disc Brake, Rear, Flat mount, 140 or 160mm (not included), 175g, Black, IR9270DRRDSC170F

Tektro, HD-E350, Road Hydraulic Disc Brake, Rear, Post mount, 140 or 160mm (not included), 322g, Black

Shimano, Deore XT BL-M8200 / BR-M8220, MTB Hydraulic Disc Brake, Left, Black, IM82201JLFXNA100

Shimano, Dura Ace Di2 ST-R9270 / BR-R9270, Road Hydraulic Disc Brake, Front, Flat mount, 140 or 160mm (not included), 175g, Black, IR9270DLF6SC100F

TRP, HY/RD, Road Hydraulic Disc Brake, Front or Rear, Flat mount, 140 or 160mm (not included), 205g, Black