EK/PBR 420SR Chain Kit 13/47 - Standard Sprocket
Designed for the final drive of small urban motorcycles, this EK CHAIN 420SR chain kit combines a 13-tooth sprocket and a 47-tooth standard sprocket configuration. The SR series features a specific heat treatment of the plates to maintain flexibility and longevity, while enhancing wear resistance — a useful compromise for daily city use.
- Brand: EK CHAIN
- Manufacturer Reference: Not provided
- Type: 420SR Chain Kit (13-tooth sprocket / 47-tooth sprocket)
- Color: Steel / Steel
- Number of Links: 128
- Pitch: 420
- Sprocket Material: Steel (standard sprocket)
- Relative Lifespan: Index 200 (for 100 links, according to manufacturer)
- Weight: 0.75 kg / 100 links
Ideal for regular maintenance and restoration of moped and small sports bike transmissions, this kit is aimed at riders looking for a robust and easy-to-install solution. Compatibility examples: RIEJU RS2 50 MATRIX PRO (2003) and RIEJU RS1 50 (2003).