EK/PBR 420SR 11/51-126 Chain Kit - Standard Sprocket
Designed for urban rides and small displacement motorcycles, this EK SR chain kit combines a robust 420 chain with a standard aluminum sprocket. The SR series features a heat treatment of the plates that maintains the chain's flexibility even after prolonged use, while increasing the durability and strength of the components. Ideal for replacing a worn-out drivetrain and restoring a smooth transmission behavior in the city.
Technical Specifications
- Chain Type: EK SR (non-sealed)
- Pitch: 420
- Sprocket/Crown Ratio: 11/51
- Number of Links: 126
- Color: Steel/Steel
- Sprocket Material: Aluminum (standard sprocket)
This kit is intended for riders equipping small urban and enduro motorcycles of 50 cc listed among common compatibilities: BETA RRT 50 ENDURO (2010, 2011) and BETA RRT 50 ENDURO X-SERIES (2007). Standard installation and maintenance: check tension and lubrication according to manufacturer recommendations before use.
Compact and lightweight thanks to the aluminum sprocket, this drivetrain offers a simple replacement solution that meets the stated constraints without any technical promises not provided by the manufacturer.
