JT Sprockets JTF422.12 front (countershaft) sprocket built for strong, consistent power transfer and long service life. Computer-designed for maximum strength at minimal weight and produced to meet high quality standards.
Reliable gearing starts at the countershaft. The JT Sprockets JTF422.12 front sprocket is designed to deliver durable, consistent drive performance with an excellent strength-to-weight balance. Using computer-aided design and premium materials, it’s a dependable replacement or upgrade when you’re refreshing your final drive.
If your current front sprocket is hooked, noisy, or causing uneven chain wear, replacing it helps restore smooth power transfer, improves drivetrain efficiency, and can extend the life of your chain and rear sprocket.
⭐ Built from top-quality steels (including high-carbon and chromoly alloys) for durability in demanding use.⭐ Trusted JT manufacturing focused on consistent quality and fitment.⭐ Smart maintenance upgrade—ideal when pairing with a fresh chain or a complete chain & sprocket service.
