Hayes Front Adaptor Tulio/Maxle Dropouts 8" Rotor<br /><br />Hayes disc brake adaptors are required for all Hayes brakes with the exception of 74mm post-mount forks and 160mm rotors.<br /><br /><li>Brake Caliper Mount: 74mm Post</li><li>For Rotor Diameter: Front 203</li><li>Frame/Fork Mount: 51mm IS Front</li><li>Caliper Type: 74mm Post Mount</li><li>Rotor Size: 203 mm</li><li>Man Part #98-15604</li>