Shimano Alfine CT-S500 Chain Tensioners
The Shimano Alfine Chain Tensioner offers a twin pulley and spring-loaded design mounts to the derailleur hanger for tensioning the chain on vertical dropout frames when using an internal gear rear hub. The tensioner is also designed to take-up the chain slack when running a double chain ring crank with a maximum difference of 16 teeth.
Item Specifications:
Color:
Black