03-12 KTM 250SX: Hinson Inner Clutch Hub Hinson has earned a reputation as a leader in motorcycle and ATV racing because of their ability to build parts that are stronger than stock and work better than stock. Their inner hub is a case in point.The Hinson Inner Hub is manufactured from T-6 billet aluminum for maximum strength. Hinson Inner hub is built to be more rugged and stronger than a motorcycle's stock inner hub. Hinson Inner Hub provides a more positive clutch feel for maximum control and performance.Used by all major factory teams and riders. Improves clutch performance and life.