Shimano Alfine CT-S500 Chain Tensioner Black

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 informations about adjusting the tensioner.

Specifications

Smallest Sprocket 18 Chain Guide Mounting Location Derailleur Hanger Chain Guide Accessories Lower Guide Rear Derailleur Max. Teeth 20 Max. Chainring Spread Teeth 16 Rear Derailleur Version Chain Tensioner Material Body: Aluminium

Pulleys: Plastic Compatible chains CN-HG73, CN-HG71, CN-HG53