Steel Rear Sprocket JT JT Sprockets are made from the latest generation of computer design and control metal cutting equipment for maximum durability Front sprockets are made from chromoly SCM420 steel alloy All sprockets are heat-treated and hand-finished to meet or exceed the highest possible quality standards

1998	KTM	65
1999	KTM	65
2000	KTM	65
2001	KTM	65
2002	KTM	65
2003	KTM	65
2004	KTM	65
2005	KTM	65
2006	KTM	65
2007	KTM	65
2008	KTM	65
2009	KTM	65
2012	KTM	65
2013	KTM	65
2014	KTM	65
2015	KTM	65
2016	KTM	65
1998	KTM	60
1999	KTM	60