EK CHAIN JT 520M3 13/50 - Ultra Light Rear Sprocket Chain kitSUZUKI 450 RM-Z 450 - 2013 - 2019Ref : EKC04225A / 3069255

EK/JT 520M3 Chain Kit 13/50 - ultra-light sprocket: a kit designed for motocross use, combining a robust 520 chain with an ultra-light aluminum sprocket. Designed to minimize friction while providing good resistance to traction and abrasion, it meets the demands of challenging terrains — sand, mud, and repeated jumps — encountered in both competition and intensive recreational use.

• Color: Gold/Gold
• Pitch: 520
• Number of links: 114
• Sprocket: Ultra-light aluminum
• Relative lifespan: 450 (for 100 links)
• Weight: 1.36 kg / 100 links
• Pinion / Sprocket: 13/50

This EK CHAIN kit is aimed at riders looking for a lightweight and reliable transmission for their motocross outings. The aluminum sprocket reduces inertia without sacrificing wear resistance, while the gold chain facilitates visual inspection after sessions. Compatible with many 450 motocross bikes, it is particularly suitable for SUZUKI RM-Z 450 (2017–2019).

To maintain its longevity: regularly check the tension, clean after muddy outings, and lubricate according to your usage. Professional installation is recommended to ensure safety and optimal performance.