Shimano Alfine CT-S500 Chain Tensioner



Allows the use of an internally geared hub on a frame with vertical drop-outs. Chain Tensioner 20 tooth max rear sprocket 16 tooth chainwrap capacity 41.8mm chainline Uses washers on on the mounting bolt for 5mm of chainline adjustability Compatible chain - 3/32""

Shimano Alfine CT-S500 Chain Tensioner Review

Sister ordered two chains from this retailer. They were very good deals and were very quickly delivered to us even with standard shipping. We are very happy with this transaction.