Bike Rear Derailleur Hanger Bicycle Aluminum Tail Hook Extension Extender Bike AccessoryBlack

Feature: 1. Increase about 41mm1.6in length, increase the tooth volume of 20 to 22 teeth, high performance. 2. It is often used when the large teeth of the rear flywheel are changed to 36T40T42T44T46T50T52T56T. 3. The bike wheels can change speed smoothly with this tail hook, high strength. 4. Made of aluminum material, durable and corrosion?resistant, has long service life. 5. After the extension of the tail hook is added, the flywheel gear and the rear derailleur will not collide. Specification: Item Type: Rear Derailleur Hanger Material: Aluminum Length: Approx. 6cm2.4in Width: Approx. 2cm0.8in Weight: Approx. 19.0g0.7ozIncrease about 41mm1.6in length, increase the tooth volume of 20 to 22 teeth, often used when the large teeth of the rear flywheel are changed to 36T40T42T44T46T50T52T56T. Package List: 1 x Rear Derailleur Hanger1 x Screw Note: Please allow 1‑2cm0.4‑0.8in error due to manual measurement. Thanks for your understanding.Increase about 41mm1.6in length, increase the tooth volume of 20 to 22 teeth, high performance. It is often used when the large teeth of the rear flywheel are changed to 36T40T42T44T46T50T52T56T. The bike wheels can change speed smoothly with this tail hook, high strength. Made of aluminum material, durable and corrosion?resistant, has long service life. After the extension of the tail hook is added, the flywheel gear and the rear derailleur will not collide.