Shimano Sora BR-3500 dual pivot brake caliper set. Front and Rear.

Black Road Bike Rim Brakes Calipers 45-55mm Drop

Specialized AXIS Front Rim Brake Road Bike Caliper 42-52mm Black

Shimano BR-3300 Road Bike Rim Brake Calipers Grey

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

Shimano Ultegra BR-6600 Road Bike Rim Brake Calipers

Campagnolo Centaur Dual Pivot Road Bike Rim Brake Calipers - STIFF

Tektro Road Bike Rim Brake Calipers 52mm Drop