Alfine Chain Tensioner

This Shimano Alfine CT-S500 Chain Tensioner is designed for single-speed and internal-gear hub setups, helping to keep your chain properly tensioned. Offered in two color options to suit your build, it provides a practical solution for maintaining smooth drivetrain performance.

• Compatible with Alfine and other select single-speed or hub-gear applications.
• Available in Black or Silver to match your bicycle's components.
• Constructed as a durable chain tensioner for reliable chain management.
• Includes the CT-S500 model designation for easy reference.