Alfine Chain Tensioner

The Shimano Alfine CT-S500 Chain Tensioner helps keep your single-speed or internally geared setup running smoothly by maintaining proper chain tension. This clean, functional component is available in Black or Silver to match your build.

• Designed for use with Shimano Alfine systems and compatible single-speed setups.
• Available in two color options: Black and Silver.
• Simple, reliable construction from a trusted brand in cycling components.
• Helps reduce chain slack for more consistent pedaling and drivetrain performance.