The motorcycle rear chain sprocket you're looking at is made for perfect compatibility with several Honda SE models from 125 to 500cc, including SE, SEF, and even SE1200R. It's a 520-49T aluminum plate, built to withstand the rigors of regular use. The gears are precision-cut and designed to slip smoothly over the chain, ensuring a quiet and efficient ride. This product has earned a reputation for durability and reliability, making it an ideal choice for riders who value a reliable and long-lasting chain sprocket. Upgrade your bike today and experience the difference a high-quality product can make.