Spring Rate: 0.32 kg/mmCold-wound on precision CNC equipment for the ultimate in strength.Heat-tempered, shot-peened and end-ground for durability.Preset for fatigue resistance.Wide variety of rates and applications.Accurate rates and proper fitment assured.This item fits the following vehicle applications:compatible with Husqvarna TC85 17/14 2015-2018compatible with Husqvarna TC85 19/16 2015compatible with KTM 105 SX 2006-2011compatible with KTM 105 SX 2004compatible with KTM 105 XC 2008-2010compatible with KTM 85 SX (17/14) 2003-2017compatible with KTM 85 SX (19/16) 2013compatible with KTM 85 SX (19/16) 2005-2010compatible with KTM 85 XC 2008-2009