ESJOT Standard rear sprocket for 520 chain (50T) built for high wear resistance and consistent power transfer in demanding riding conditions. Precision-made in Germany for excellent fit and long service life.
ESJOT STANDARD SPROCKET REAR 520 is engineered to meet high OEM requirements and deliver dependable, long-lasting drivetrain performance. Built from high-strength steel and finished with a special surface treatment, it’s designed to handle wear-intensive conditions across a wide range of riding environments. With precise tooth shaping and extremely tight tolerances, you get smooth engagement, consistent chain tracking and reduced premature wear.
If your current sprocket is hooked, noisy or causing uneven chain wear, upgrading to a quality rear sprocket like this helps restore clean power transfer and improves overall drivetrain reliability—especially when conditions are dusty, muddy or hard on components.
