Cycling Bike16T 18T Chrome Single Speed Freewheel Bicycle Sprocket Cogs Cassette

Single Speed Freewheel 18T Teeth FreeWheel for Chain Pitch (12.7mm), Width 3.17mm (1/8"), Teeth 18. Single speed 16 tooth freewheel. 18 Tooth Single speed Freewheel for BMX Bike Bicycle. Pitch 1/2", Width 1/8", 16 Teeth.

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