Suitable for standard threaded rear wheel hubs, it can directly replace old flywheels and offers 14-17-20-24-28 T5 speed options, making cycling smoother and suitable for urban and leisure routes.
Precision gear combination, covering easy climbing and flat cruising, compatible with friction type transmission system, smooth shifting and fast response.
The nickel plated steel shell is corrosion-resistant and wear-resistant, and the built-in bearing structure is equipped with grease lubrication for greater durability and lower maintenance, enhancing the stability of the riding experience.
Installation only requires a flywheel disassembly tool. After counterclockwise disassembly, simply screw it up and apply rust proof oil after tightening. Regular cleaning and lubrication can ensure long-term use.
The overall size is 114x29mm, with an upper aperture of 23mm, a lower aperture of 34mm, and a base outer diameter of 54mm. The suitability can also be determined by the size when purchasing.
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