EK/PBR 420SR Chain Kit 11/51 - Ultra-Light Sprocket
Designed for urban small-displacement motorcycles, this EK CHAIN series SR chain kit combines a robust 420 chain with an ultra-light aluminum sprocket. The SR series features an innovative design that maintains the chain's flexibility even after prolonged use. The plates undergo a specialized heat treatment to enhance durability and wear resistance without compromising flexibility.
- Type: Chain kit (11-tooth sprocket / 51-tooth sprocket)
- Pitch: 420
- Number of links: 132
- Color: Steel / Steel
- Sprocket material: Aluminum (ultra-light)
- Weight: 0.75 kg / 100 links
- Life expectancy index (reference): 200 for 100 links
Ideal for urban use and daily commutes, this kit is aimed at riders looking for a lightweight and reliable transmission for their 50cc motorcycle. The aluminum sprocket reduces rotational mass compared to a steel version while maintaining good mechanical integrity for road use. Please check compatibility with your model before installation.
Compatible motorcycles (examples): BETA RRT 50 ENDURO TRACK 2013, BETA RRT 50 ENDURO RACING 2013, BETA RRT 50 ENDURO 2013.
