420 HDR Chain Kit - 11/62 - 138 Standard Steel Sprocket by JT.
Complete JT 420HDR chain kit consisting of a reinforced chain, a standard front sprocket made of steel, and a standard rear sprocket made of heat-treated C45 steel. Designed to ensure a durable transmission that requires minimal maintenance, it is suitable for daily use, leisure activities, and light off-road practices.
Design and Materials
- JT 420HDR chain with hardened pins and reinforced links for improved tensile strength and extended lifespan.
- Precision-machined front sprocket made of C45 steel for smooth engagement and seamless operation.
- Heat-treated C45 steel rear sprocket to limit wear and maintain consistent transmission efficiency.
Usage and Performance
- Suitable for light motorcycles 50–125 cm³ for compatibility with a wide range of lightweight vehicles.
- Compatible with pit bikes and mopeds, offering a tailored replacement solution for these specific uses.
- Designed for daily, leisure, and light sport use to ensure reliable transmission in varied conditions.
Practicality and Features
- Complete kit including chain, sprocket, and rear sprocket delivered together for consistent replacement and simplified installation.
- Precision machining of components to facilitate alignment and reduce adjustments after installation.
- Low-maintenance design, reducing routine interventions and time spent on upkeep.
Advantages
- Road Type indicated for primarily road use while remaining compatible with leisure activities.
- Good quality/price ratio for a complete transmission replacement without compromising on key components.
Examples of Compatible Motorcycles
- RIEJU MRT 50 PRO (2026 - 50 cm³)
Complete list of compatible motorcycles available in the dedicated section below