EK/PBR 420SR Chain Kit 12/62 - Standard Sprocket
This EK CHAIN kit includes an EK 420SR non O-ring chain, a PBR steel front sprocket, and a standard steel rear sprocket. Designed for urban motorcycles and lightweight small trails, it provides a complete solution for replacing the drive train and restoring reliable on-road performance.
Technical Details
- Chain Type: EK 420SR (non O-ring)
- Pitch: 420
- Number of Links: 140
- Roller Width: 6.35 mm
- Tensile Strength: 6,500 N (suitable for motorcycles up to 25 HP)
- Materials: high-strength steel chain and sprocket; PBR steel front sprocket
- Coating: surface treatment to limit wear and dirt adhesion
- Weight: 0.75 kg / 100 links
- Relative Lifespan: 200 (reference for 100 links)
Kit Contents
- EK 420SR Chain (140 links)
- PBR Steel Front Sprocket (12 teeth)
- Standard Steel Rear Sprocket (62 teeth)
Why Choose It
- Complete kit for a comprehensive chain replacement.
- Steel components for good wear resistance in urban and versatile use.
- Compatible design for precise installation and consistent transmission.
Main Compatibilities
- RIEJU MRT 50 SM PRO (2013 - 50 cc)
- RIEJU MRT 50 PRO (2009 - 50 cc)
- RIEJU MRT 50 SM PRO (2012 - 50 cc)