KOYO crankshaft bearings are manufactured according to precise OEM specifications using the highest quality materials. They ensure a perfect fit for both OEM and aftermarket crankshafts. This particular bearing, NJ205, is designed to provide exceptional durability and performance, making it an ideal choice for KTM, HQV, and GASGAS vehicles. Whether you're looking for reliable performance in competitive racing or everyday riding, KOYO crankshaft bearings deliver unparalleled precision and long-lasting durability.