ZTTO 11 Speed Cassette 1134T UltraLight Road Bike Freewheel Cassette Sprocket for Road Cycling

Feature: 1. It uses a hollow design, which reduces the weight to a certain extent and will not add too much burden to your bicycle. 2. The flywheel rotates steadily without noise, ensuring a close connection with the bicycle hub and smooth operation. 3. Adopting high‑quality metal material, it has good corrosion resistance and heat resistance. 4. There is no need to worry about long‑term use of friction and heating, which will affect its service life. 5. Professional manufacturing, it can directly replace your old or broken freewheel, compatible with 11‑speed road bike for HG system. Specification: Item Type: Freewheel Cassette Material: Aluminum Alloy + Steel Product Color: Multicolor Product Weight: Approx. 311g 11.0oz Gear Ratio: 11 34T (11 13 15 17 19 21 23 25 28 31 34T) Compatibility: For 11 speed road bike for HG system​ . Package List: 1 x Flywheel2 x Sprocket1 x Flywheel Cover Note: After the installation is complete, check whether the flywheel is locked and whether it is aligned.