EK CHAIN PBR 520SRX2 13/49 - Ultra Light Rear Sprocket Chain kitRef : EKC04050A / 3068988

EK/PBR 520SRX2 Chain Kit 13/49 – Ultra-light Sprocket
Designed for off-road riders seeking a reliable and lightweight transmission, this EK SRX2 chain kit combines a robust 520 chain with an ultra-light aluminum rear sprocket. The SRX series is known for its good balance between quality and price, suitable for Cross and Enduro practices where weight and durability matter.

• Type: 520 chain kit (13-tooth sprocket / 49-tooth sprocket)
• Chain: Steel / Steel, 114 links
• Sprocket: Ultra-light aluminum
• Pitch: 520
• Weight: 1.54 kg for 100 links
• Relative lifespan: 3300 (for 100 links)

This kit is aimed at riders practicing Cross and Enduro who are looking for a versatile gearing (13/49) to handle technical terrains. The aluminum sprocket reduces unsprung mass for better feel at the handlebars, while the SRX2 chain offers a solid construction suited to the demands of the trails. Standard mounting and tensioning; regular wear checks and appropriate lubrication are recommended to maximize the longevity of the drivetrain.

Common compatibilities: among others for BETA RR 390 4T ENDURO (2016–2019) and similar 390 cc models.