1). Full steel ball, good quallity
2). Freewheel is hard-tempered
3). Packing is good
bicycle freewheel: 1,the size;16-20t 2,the brand:Fengheng3,the material:steelbicycle freewheelthe information of the goods:1,the size;16-20t2,the brand:Fengheng3,the material:steel4,the...