Post Mount Disc Brake Adapter – For IS Mount Frame/Fork Fits 180mm Front 160mm Rear Rotors

Promax Post Mount Disc Brake Adapter - For IS Mount Frame/Fork Fits 180mm Front and 160mm Rear Rotors. Promax disc brake adapters. TECH SPECSBrake Caliper Type Post MountWeight 32Mount | Rotor Size Front IS | 180 RotorMount | Rotor Size Rear IS | 160 Rotor