Shimano, GRX ST-RX715 / BR-RX410, Road Hydraulic Disc Brake, Rear, Flat mount, 160mm (not included), Black, IRX7153DRRDSC170A

Shimano, XTR BL/BR-M9120, MTB Hydraulic Disc Brake, Rear, Post mount, Disc: Not included, 385g, Black, Kit

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

SRAM, Maven Ultimate B1, MTB Hydraulic Disc Brake, Rear, Post mount, Silver

Shimano, GRX ST-RX600-L / BR-RX400-F, Road Hydraulic Disc Brake, Front, 2 speed, Flat mount, 140 or 160mm (not included), Black, Set

TRP, Hylex RS FM, Road Hydraulic Disc Brake, Right, Flat mount, 140 or 160mm (not included), Black