Fatures：

【High quality 】:Made of high quality steel, anti-corrosive, good heat resistance, do not worry about the long-term use of friction heat, affecting its life.

【No noise 】:This freewheel characterized by smooth rotation without much noise, high precision internal thread, ensure close connection with bicycle hub, smooth operation.

【Accurate shifting 】:The effect of the guide chain is accurate, allowing smooth riding and accurate shifting.

【Easy to clean&maintain 】:It adopts the design of chain guide groove and mud drain hole. The design of the chain guide slot makes the speed change more sensitive, and the mud drain hole is easier to clean and rarely get grubbed up on the inside.

【Application 】:This kind of flywheel is one of the most durable and long-lasting flywheels of multi-speed bicycles.Suitable for mountain bikes and folding bicycles,road bikes ,city bikes,and so on.  

Product information：

Material:Steel

Fit:Shimano / SRAM derailleur systems

Package included:

1 x Road Bike Cassette