Hayes Front Adaptor to 51mm I.S. w/ 20mm Axle, 8" RotorAdapter Front/Rear: Front
Caliper Type: 74mm Post Mount
Usage: 20mm Thru axle Marzocchi
Rotor Size: V8/203mm
Caliper Size: Hayes 203mm/Marz 20mm Front
Frame/Fork Side: Hayes 203/Marz 20mm Front
Man Part #98-15069
Hayes disc brake adaptors are required for all Hayes brakes with the exception of 74mm post-mount forks w/ 160mm rotors.