Shimano Sora Brake Calipers BR-3500, dual pivot, Front and Rear.

Shimano Acera X Cantilever Brake Calipers With Hardware Retro 1990s MTB

Sram Red Rear Brake

Shimano 105 Retro Calipers

Retro Shimano BR-M475 Mechanical Disc Brake Calipers In Black & Blue With Pads

Acor Brake Caliper Dual Pivot 47-57mm Front ABR2602FZ Road Bike Black -H

Shimano Brake Caliper BR-R2000 Claris Dual-Pivot Road 49mm Drop Front or Rear -H

Tektro Brake Caliper Set Bicycle