Hinson Clutches are championship proven by almost every major factory team and rider in the world, including Eli Tomac, Ken Roczen, Cooper Webb, Tim Gajser, Jeffrey Herlings, Jeremy Seewer, Chase Sexton, & Joey Savatgy. Hardcoated for extreme boot wear resistance Much stronger than stock, protecting from rock damage Improves heat dissipation Precision machined from billet T-6 aircraft quality aluminum to aerospace tolerances. C557-2101