EK/PBR 420SR Chain Kit 11/50 - Standard Sprocket
This EK Chain 420SR kit includes a chain, an 11-tooth sprocket, and a 50-tooth sprocket (standard sprocket) designed for small urban motorcycles. Built around the SR series, it combines robust construction with lasting flexibility: the plates undergo a specific heat treatment that enhances wear resistance while maintaining the necessary flexibility for smooth operation in the city.
- Type: Complete chain kit (11-tooth sprocket / 50-tooth sprocket)
- Chain: Pitch 420, 132 links, steel/steel color
- Sprocket Material: Steel (standard sprocket)
- Relative Lifespan: 200 (for 100 links, manufacturer indicator)
- Weight: 0.75 kg / 100 links
- Recommended Use: Urban environment, small displacement bikes, and riders seeking a reliable and economical setup
Regular installation and maintenance (tension, lubrication) are essential to get the best performance from the kit. Check compatibility with your model before ordering — this kit is specifically listed for machines like the BETA RRT 50 MOTARD TRACK (2012 - 50 cc).