Product Details
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
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
Buy with confidence
In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.
