ZTTO 11 Speed Cassette 11‑34T Ultra‑Light Bike Freewheel Sprocket Parts
- The flywheel rotates steadily without noise, ensuring a close connection with the bicycle hub and smooth operation.
- Professional manufacturing, it can directly replace your old or broken freewheel, compatible with 11‑speed road bike for HG system.
- It uses a hollow design, which reduces the weight to a certain extent and will not add too much burden to your bicycle.
- There is no need to worry about long‑term use of friction and heating, which will affect its service life.
- Adopting high‑quality metal material, it has good corrosion resistance and heat resistance.
