
The EK/PBR 520SRX2 13/51 chain kit is designed to renew the rear transmission of motocross machines while maintaining a good balance between reliability and cost. From the SRX series, this reference benefits from regular adjustments specific to the EK CHAIN range without claiming miraculous performances: simply a robust and proven solution for off-road outings.
This kit is aimed at motocross riders looking for a solid aftermarket OEM part for chain and sprocket restoration. Standard mounting, regular maintenance (cleaning and lubrication) is recommended to preserve longevity. Compatible notably with TM RACING EN 300 models (2019–2020).