Avid, BB5 MTB, Mechanical disc brake, Grey, Front or rear, No rotor, No adapter

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

Shimano, XT BL-M8200 / BR-M8220 Kit, MTB Hydraulic Disc Brake, Front and Rear, Flat mount, Disc: Not included, Black, IBRM8220UPGKIT1

SRAM, Force 1 HRD, Road Hydraulic Disc Brake, Front, Flat mount, Dropper Remote, Black

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

Shimano, BL/BR-MT200, MTB Hydraulic Disc Brake, Rear, Post mount, Black, Set