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
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.