SRAM, Apex AXS D1, Road Hydraulic Disc Brake, Rear, Flat mount, Black

TRP, Slate EVO, MTB Hydraulic Disc Brake, Rear, Post mount, Disc: Not included, 307g, Black

Avid, BB7 MTB, Mechanical disc brake, Grey, Front or rear, No rotor, No adapter

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