• Made of high-strength steel material, with nichrome silver treatment, it has good wear resistance and fatigue resistance, and can maintain stable transmission performance during high-intensity riding
• Lightweight design makes the whole bike more light and comfortable
• Suitable for a variety of terrain and riding scenarios, whether city commuting or outdoor adventure
• Use it to directly replace your old or broken flywheel. Easy to install

Specification:

• Weight: About 695g
• Teeth ratio: 11-13-16-20-24-28-32-36-40-46-52T
• Speed: 11 speed
• Material: steel, nichrome silver (specially treated surface)