16T 18T 20T 22T 35mm 1/2″ X 1/8″ Freewheel Bicycle Single Speed Cog Sprocket Bicycle Bike Gear Cycling Parts Accessories
The single speed freewheel cog which have 16T,18T,20T,22T four type teeth, inner hold diameter 35mm, it can fit our common type freewheel adapter.
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