Bike Cassette Flywheel Folding 11 Speed 11T‑28T Colorful Flywheel for Mountain Bike

Feature: 1. The hollow design reduces the weight to a certain extent, with multiple rows of mud holes and effective speed change. 2. The flywheel rotates smoothly and has no noise, which can ensure a close connection with the bicycle hub and run smoothly. 3. Made of high quality metal, it has good corrosion resistance and heat resistance. 4. It is made of chromium molybdenum steel, quenched, tempered and hardened, which is wear resistant and has a long lasting life. 5. The electroplating colorful flywheel makes your bicycle more stylish and distinctive. Specification: Item Type: Bike Freewheel Material: Chrome Molybdenum Steel Color: Electroplating Colorful Speed: 11 Speed Number of Teeth: 11T 28T Gear Ratio: 11 12 13 14 15 17 19 21 23 25 28T. Package List: 1 x Bike Freewheel