JT Sprockets JTR212.37 37-Tooth Steel Rear Sprocket

Premium build for dependable rear sprocket performance

Meet JT Sprockets JTR212.37, a 37-tooth steel rear sprocket crafted for riders who value durability and precision. Each piece starts with C49 high carbon steel, creating a strong base that resists wear and flex under demanding riding conditions.

The component is heat treated and hand finished to meet or exceed OEM standards, balancing toughness with a smooth, exact fit that complements existing chains and transmissions.

Compared with milder steels or surface hardened options, this sprocket is designed to last longer and maintain consistent tooth engagement over time, helping you ride with confidence on various terrains.

Quality matters. Every JT Sprockets rear sprocket undergoes ten quality control checks before it leaves the factory, ensuring dimensional accuracy, surface finish, and overall integrity.

Key benefits at a glance

• C49 high carbon steel provides strong resistance to wear
• Heat treated and hand finished for precision and OEM-grade fit
• 37-tooth configuration supports reliable acceleration and smooth power delivery
• Outperforms mild steel and basic surface hardened sprockets in durability
• Extensive quality checks give added confidence

What to expect in use

• Quiet, predictable chain alignment
• Consistent wear characteristics across ride cycles
• Easy integration with standard chains and drivetrains

Whether you're upgrading an aging drivetrain or replacing a worn sprocket, the JT Sprockets JTR212.37 offers a robust option that aligns with OEM expectations while inviting you to push the limits of your setup with confidence.