Shimano Alfine CT-S500 Chain Tensioner Silver

Shimano Alfine CT-S500 Chain Tensioner

• Not for use with coaster brake or fixed gear hubs
• 20 tooth max rear sprocket
• 16 tooth chainwrap capacity
• 41.8mm chainline
• Uses washers on the mounting bolt for 5mm of chainline adjustability
• Manufacturer Part Number: ICTS500