Shimano, Deore BR-M6100, MTB Hydraulic Disc Brake Caliper, Front or Rear, Post mount

Shimano, Ultegra Di2 ST-R8170 / BR-R8170, Road Hydraulic Disc Brake, Front, Flat mount, 140 or 160mm (not included), 195g, Black, IR8170DLF6SC100D

SRAM, Force CX1, Hydraulic road disc brake, Front

Avid, BB7 MTB, Mechanical disc brake, Front or rear, 160mm, Grey

Shimano, BR-RS305, Road Mechanical Disc Brake Caliper, Rear Only, Flat mount

Shimano, Deore BL-M6100 / BR-M6120, MTB Hydraulic Disc Brake, Rear, Post mount, Disc: Not included, Black