Up for sale is a JT REAR RACELITE SPROCKET ALUM 50T-520 BLK HUS/HUSQ/KTM. This fits a 1998 KTM 620 Lc4 Sx.The vendor part number is JTA897.50BLK. Please read title carefully to know what you are getting. Here is the catalog description not the title�.JT Sprockets is proud to introduce the new RaceLite range of anodised 775-T6 aluminum competition sprockets. These new JT Racing sprockets are designed and engineered to withstand the extreme pro-race conditions, providing maximum strength and durability at minimum weight.