A. This motorcycle throttle body kit is designed for motorcycle enthusiasts seeking performance improvement. It is compatible with the CBR250 model and can match the engine model well, providing a good matching experience for your beloved motorcycle. B. The carefully - designed throttle body comes in three specifications: 38mm, 40mm, and 42mm, which can meet the personalized needs of different users. Its unique design can effectively enhance the motorcycle's power performance, allowing you to feel a stronger power output during the ride and enjoy the speed and passion. C. Whether for daily riding or professional modification, this throttle body kit is a good choice. It is suitable for the CBR250 model and can bring a significant performance improvement to your motorcycle. Its design and craftsmanship can ensure a certain level of stability and durability of the product, making you use it with confidence. D. This product has an authorized self - owned brand, and its quality is trustworthy. Its sales cover regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and it has gained wide recognition. Choosing this throttle body kit can inject new vitality into your motorcycle and start a different riding journey.