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

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

Shimano, Saint BL/BR-M820, MTB Hydraulic Disc Brake, Front, Post mount, Disc: Not included, 312g, Black, Kit

Shimano, GRX Di2 ST-RX825 / BR-RX820, Road Hydraulic Disc Brake, Rear, Flat mount, 140 or 160mm (not included), 136g, Black, IRX8251DRRDSC170A

TRP, EVO PRO, MTB Hydraulic Disc Brake, Right, Post mount, Disc: Not included, Grey