Equip a mountain bike with the MI5 and benefit from the stiff oversized 15mm rear hub axle, the five sealed cartridge bearings, the three tool steel pawls, and the titanium freehub body. Built to handle the demands of off road riding.Made in the USA<p></p><li>Shell 6061-T6</li><li>Axle 15mm cro-mo</li><li>Freehub 6al 4v titanium</li><li>Driver 3 pawl/ 24 point engagement</li><li>Bearings three: 6902-2rs two: 6802-2rs</li><li>O.L.D. 135mm</li><li>Weight 262 grams</li><li>Finish Polished silver</li><li>Spoke Hole Drilling 36h<p></p></li>