EK/PBR 420SR Chain Kit 11/58 - Ultra-light Sprocket
Designed for urban use, this EK CHAIN 420SR chain kit combines the simplicity of a steel chain with the lightweight of an ultra-light aluminum sprocket. The SR series benefits from a specific heat treatment of the plates that preserves the flexibility of the chain even after long kilometers in the city and improves wear resistance without promising unverified performance.
- Type: Chain kit 11/58 (11-tooth sprocket / 58-tooth sprocket)
- Pitch: 420
- Number of links: 136 (to be adjusted according to installation)
- Color: Steel
- Sprocket material: Aluminum (ultra-light)
- Weight: 0.75 kg / 100 links
- Relative lifespan: 200 (for 100 links, manufacturer data)
Ideal for small displacement bikes and daily urban commutes, this kit is aimed at city riders looking for a lightweight and responsive transmission. It provides a robust foundation for regular maintenance: regular cleaning, lubrication, and tension checks remain essential to get the best out of the chain and sprocket.
Common compatibilities:
- FANTIC XM 50 PERFORMANCE (2025 - 50 cc)
- FANTIC XM 50 COMPETITION (2025 - 50 cc)
- FANTIC XM 50 PERFORMANCE (2024 - 50 cc)