Tektro
Mount A3 IS Brake Mount Adapter (180mm Front or 160mm Rear)

Replacement IS Brake Mount Adapter to fit an I.S. Mount frame or fork with Post Mount caliper.

A-3 Adapter:
Mounts a Post Mount caliper onto a front fork with a 180 rotor or rear brake with a 160mm rotor
Adapter and caliper mounting bolts included.