This shift fork is compatible with KTM 400-540-625-640-660 LC4 models and is designed for use with 1st/4th and 2nd gear. The fork is made of high-quality materials to ensure durability and long-lasting performance. It comes with a gear included and is manufactured by a reputable brand. The manufacturer part number for this shift fork is 58034002300. Please ensure compatibility with your motorcycle before purchasing. This item is perfect for those in need of a replacement shift fork and is sure to enhance the performance of your motorcycle.