EK 420SR 420 Drive Chain — manufacturer reference 420SR-STL 84 SPJ. Designed by EK CHAIN for installations on 50cc urban bikes, quads, cross machines, and light roadsters, this SR chain focuses on longevity and ease of use. The SR series maintains its flexibility even after prolonged use: the plates undergo a specific heat treatment that increases strength and durability without compromising the mobility of the links.
- Type: EK 420SR 420 Drive Chain
- Number of links: 84
- Pitch: 420
- Color: Steel / Steel
- Weight: 0.75 kg for 100 links
- Relative lifespan (100 links): 200
Ideal for those seeking a robust chain that is easy to integrate with compatible sprockets and crowns. Its construction makes it a versatile option for urban riders as well as off-road enthusiasts and leisure motorcyclists. Check the number of links and the pitch for a proper fit on your motorcycle.
Examples of compatible motorcycles (frequent references): RIEJU MRT 50 SM 2025, FANTIC XM 50 PERFORMANCE 2025, BETA RR 50 MOTARD 2025.
