Ek Chain Sro6 O-ring 520 120 Links – Fits Beta 390, 430, 500, 480

This high-quality chain features sealed O-rings that effectively retain lubrication while preventing water and mud ingress, ensuring smooth operation in challenging conditions. The robust design includes solid rollers and extended anti-kink bushings, which significantly increase chain lifespan by reducing wear and preventing kink formation during operation.