Chain tensioner with a double pulley structure for installing Shimano Alfine speed hubs on frames with vertical dropouts. Compatible with the CS-S500 sprocket for internal gear hubs. Note: Under "Attachments" you will find an instructions manual wit Read more.
Chain tensioner with a double pulley structure for installing Shimano Alfine speed hubs on frames with vertical dropouts.
Compatible with the CS-S500 sprocket for internal gear hubs.
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