KOYO crankshaft bearings are meticulously crafted to meet precise OEM specifications using the highest quality materials. These bearings ensure a perfect fit for both OEM and aftermarket crankshafts, providing exceptional performance and reliability. Designed to accommodate the high-stress demands of high-performance engines, KOYO crankshaft bearings help maintain engine efficiency and longevity. The NJ207 model specifically caters to the needs of KTM, HQV, and GASGAS motorcycles, making it an ideal choice for riders seeking durability and top-notch engineering in their components.