ZTTO 1246HY Steel+Aluminum Cassette for Mountain Bike 12 Speed Bike Flywheel Cycling Replacement Part Color:As Shown • Battery model: JH-X5

• Battery model: JH-X5

• Xiaomi Roidmi F8

Your future awaits and blooms with pure potential

• Electrostatic adsorption without adhesive

ZTTO 1246HY Steel+Aluminum Cassette for Mountain Bike 12 Speed Bike Flywheel Cycling Replacement Part Color:As Shown • Battery model: JH-X5Features & Specifications The flywheel is made of high quality materials, has good wear resistance and fatigue resistance, and can maintain stable transmission performance during high intensity riding The flywheel is made of lightweight materials, making the entire bicycle lighter and more comfortable The flywheel is suitable for a variety of terrains and riding scenarios, whether it's urban commuting or outdoor adventures Specification: Teeth Rate: