Chain Guides & Catchers

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 with...

To assemble the ISCG-05 chain guide to a frame without ISCG-05. Features Weight: 40 g (+/- 5% weight tolerance) Material: Aluminium