Alfine chain tensioner for use with vertical dropouts. We suggest only trying shoes on carpet so no marks will be applied to the shoes. Stable chain tension is achieved by using a single pulley guide.
Shimano CT-S510 Alfine chain tensioner - silver
Shimano Alfine Chain Tensioner CT-S500 Dual Pulley Silver for IHG Single Speed
Shimano Nexus Alfine Non-turn Washer Hub Gear 5L 5R 6L/6R 7L 7R 8L 8R 9L/9R pair
Shimano 8 Speed Chain Bike Chain IG51 MTB 116 Links Silver Road Bike For Shimano
