<div> <table> <tbody> <tr><th>SPECIFICATIONS</th><th> </th></tr> <tr> <td>Lockring material</td> <td>Stainless steel (Classic), 7075 Aluminum (Pro)</td> </tr> <tr> <td>Lockring thread</td> <td>1.32" x 24 tpi (LH Thread)</td> </tr> <tr> <td>Lockring weight</td> <td>Classic (20.8 grams), Pro (58 grams)</td> </tr> <tr> <td>Rider and bike weight limit</td> <td>280 lbs / 127 kgs (Classic), 190 lbs / 86 kgs (Pro)</td> </tr> <tr> <td>Materials </td> <td>All of our manufactured items are machined out of US-produced materials.</td> </tr> </tbody> </table> </div> <p> <br /><strong>Please note: Our <em>Pro </em>7075 aluminum lockring should only be used for indoor track racing.</strong><br /> <br /><span><strong>INSTRUCTIONS</strong></span><br /> <br /><a href="https://cdn.shopify.com/s/files/1/0378/1413/files/5._Rear_Track_Hub_Care_Instructions_V1.3.pdf?v=1717103413" target="_blank"><strong>Rear Track Hub Care Instructions (pdf)</strong></a></p>