Convert your bike to a Single Speed Bike!
This Conversation Kit is designed for 9-Speed Shimano and or some other brands Cassette Wheel Hub convert to Single Speed (NOT FIXIE BUT FREEWHEEL).
It is also suitable for making Disc Brake Wheel Hub became a Fixie.
Simply take away both Red Mount from this sprocket and tight only the Cog with 6 Hex Bolts.
Washers: 10 mm x1, 5 mm x1, 3 mm x3 & Lock Ring