... kids bicycle2. Frame: steel, painted, CO2 welding, 1.0mm3. Fork: steel, painted, CO2 welding, 1.0mm4. Handlebar: steel, CP5. Brake: ... 20" x 1.75/2.1259. Chainwheel & Crank: steel, ED10. Chaincover: steel, full chaincover11. Saddle: soft, imitation leather, colored12. ... mirror, bell ItemMaterial DescriptionColor1FrameSteelØ45*28.6*45MMPaint2Fork SteelØ25.4*Ø22.2*130L,Fork leg:Ø28.6MMPaint3DecalPPAs ...