EK/PBR 420SR Chain Kit 11/51 - Ultra-Light Sprocket
Designed for urban small displacement bikes and light enduro, this EK CHAIN kit combines a 420 SR chain with an 11-tooth sprocket and an ultra-light 51-tooth aluminum sprocket. The SR series benefits from a specific heat treatment of the plates to maintain the chain's flexibility even after prolonged use and to improve wear resistance.
- Configuration: 11/51 (sprocket/sprocket), 126 links
- Pitch: 420
- Color: Steel/Steel
- Sprocket Material: Aluminum, lightweight to reduce unsprung mass
- Relative Lifespan: 200 (for 100 links, manufacturer data)
- Weight: 0.75 kg / 100 links (indicative value)
Ideal for riders who want a final drive that emphasizes lightness without sacrificing maneuverability in urban environments. Regular adjustment and lubrication are recommended to ensure proper tension and optimal longevity. Manufacturer reference: Not provided.
Top 3 compatible motorcycles:
- BETA RRT 50 ENDURO (2011 - 50 cc)
- BETA RRT 50 ENDURO (2010 - 50 cc)
- BETA RRT 50 ENDURO (2009 - 50 cc)
