Shimano Dura Ace 7600 track hubs. <br /> <br /> <span>110mm Rear Spaced High-Flange version!</span><span></span> <span>*8mm Rear Axle</span><br /> <ul> <li>Single-sided rear includes a Dura Ace lock ring. </li> <li>36 holes.</li> <li>Includes spare seals.</li> <li>Front hub is still spaced 100mm w/ 8mm axle</li> </ul>