... type, E/V or A/V,12"x2.125 16"x2.125 20"x2.125 / EVA tyre 6.Handle Bar / ... welding. 7.Chainwheel&Crank: 12"--24T*89, 16"--28T*102, 20"--32T*127, ED/CP 8.Crank:CP or ... CP,0.95mm,12"-20" 13.Freewheel: 12"--16T ,16"--16T , 20"--18T 14.Chain: 12"--60L, 16"--70, 20"--84L 15.Mudguard: Iron ... ,0.5mm / plastic 16.Chain Cover: ...