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 CT-S500 Alfine Chain Tensioner
Color: Black, Silver Chain Compatibility: 3/32"
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.