High Quality The 9-speed threaded flywheel is made of quality aluminum alloy, corrosion resistant, sturdy and durable, quick and smooth change, with low noise click. / li A good choice in different situations The bikes 9-speed rotating freewheel will help you in different situations, such as easy-to-loosen holsters. High performance Professional manufacture, the rotating freewheel can directly replace your old or broken freewheel. Easy to use 9-speed rotating freewheel is easy to install, no need to adjust the transmission. Product Item Type: 9 Speed Rotary Freewheel Condition: 100% brand new Material: aluminum alloy Weight: approx. 619g Color: silver Speed: 9 speed List of packages: 1 rotating freewheel with 9 speeds Note: It will help you in different situations, such as easy to loosen cases.