⚠️ Fitment note: The Make/Model filter is for guidance only. Please verify model / year / engine size in the product description before purchase. The product description is the definitive fitment reference. If you’re unsure, message us and we’ll confirm fitment. FACTORY IMAGE RACING (FIR) REAR SPINDLE & NUT KIT 02-15 KTM HUSQVARNA 50310085044, 77310085044, 50310099000 Features: . Direct OEM replacement. Best value for money. ORO products are a high-quality replacement part and carry our guarantee of your satisfaction. Please check the image before ordering to avoid mistakes. Easy to install, but if unsure, please use a professional. Cross References Numbers Only: KTM: Husqvarna 77310085044 Spindle: 77310085044 QTY 1 Nut M20: 50310099000 QTY 1 HEXAGON NUT M20X1.5: 50310099000 CHAIN TENSIONER R/S: 50310084000 SPACER BUSHING: 77310016000, 78010016000 Compatibility for KTM: 125SX: 2003 to 2012 125SXS: 2002 to 2008 150SX: 2009 to 2012 200EXC: 2003 to 2015 200SX: 2003 to 2004 250EXC: 2003 to 2015 250EXC-F: 2006 to 2015 250SX: 2003 to 2012 250SX-F: 2005 to 2012 250SXS: 2003 to 2007 250SXS-F: 2006 to 2008 250XC: 2006 to 2012 250XC-F: 2007 to 2012 250XCF-W: 2006 to 2015 300EXC: 2003 to 2015 300XC: 2006 to 2012 350EXC-F: 2012 to 2015 350SX-F: 2011 to 2012 350XC-F: 2011 to 2012 400EXC: 2004 to 2011 450EXC: 2003 to 2015 450SMR: 2005 to 2013 450SX: 2003 to 2006 450SX-F: 2007 to 2012 450SXS: 2003 to 2006 450SXS-F: 2007 to 2008 450XC-F: 2008 to 2009 500EXC: 2012 to 2015 505SX-F: 2007 to 2008 525EXC: 2003 to 2007 525SX: 2003 to 2006 530EXC: 2008 to 2011 540SXS: 2002 to 2006 560SMR: 2006 to 2007 Compatibility for HUSQVARNA: FC250: 2014 FC350: 2014 FC450: 2014 FE250: 2014 to 2015 FE350: 2014 to 2015 FE350S: 2015 FE450: 2014 to 2015 FE501: 2014 to 2015 FE501S: 2015 TC125: 2014 TC250: 2014 TE125: 2014 to 2015 TE250: 2014 to 2015 TE300: 2014 to 2015