ZTTO 1246HY Steel+Aluminum Cassette for Mountain Bike 12 Speed Bike Flywheel Cycling Replacement Part Color:As Shown • Size: 3

• Size: 3

which is very lightweight and wear-resistant

• Battery model: JH-X5

and print instantly with this 2

ZTTO 1246HY Steel+Aluminum Cassette for Mountain Bike 12 Speed Bike Flywheel Cycling Replacement Part Color:As Shown • Size: 3Features & 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: