JT/JT 420HDR 12/48 Chain Kit (non-OEM) Reinforced: a complete sprocket-sprocket-chain kit designed for small urban engines and intensive riding. Black/steel chain with a 420 pitch, racing finish, and XS-Ring seals for enhanced protection against dust and moisture. The standard steel sprocket and 12-tooth/48-tooth sprocket ensure a robust and durable transmission.
- Chain Type: JT HDR, Racing quality
- Pitch: 420
- Seals: XS-Ring for reduced friction and better grease retention
- Color: Black/Steel
- Sprocket Material: Steel (standard)
- Configuration: 12/48 (sprocket/sprocket) — reinforced non-OEM kit
Designed for urban use and small engines seeking reliability and longevity, this kit fits many 50 cc models. Compatibility examples: RIEJU SMX 50 (2004), RIEJU MRX 50 PRO (2004), RIEJU MRX 50 (2004).
Maintenance tips: regularly check the tension, lubricate the chain after cleaning, and inspect the wear of the sprocket and sprocket to maintain a clean and safe transmission. Ideal for riders looking for a robust chain ready to withstand intensive urban use.
