Front Radial Caliper Mounts - 108mm Made from 6061-T6 aluminum Fit 2000 and up stock Harley forks Use aftermarket 108mm radial brake calipers May require longer brake lines Not interchangeable, specific to the left or right side Use with 11.5" rotors, 11.8" or oversize 320mm rotors will need spacer added Titanim Alloy Screw /Washer is optioanl(sold separately)