bicycle axles 1.material:steel 2.surface treatment:CP UCP ED 3.promp delivery 4.PASS ISO9001:2000 Bicycle axleAdvantage1.Material:steel2.Finish:CP UCP ED3. QTY: 20/40/DOZ,50/60/100/PCS N.W/G.W:19/20KGS, 21 /22/KGS 22/23KGS 27/28KGS 31/32KGS 33/34KGS 37/38KGS ETC. MEAS: 32*28*23.5cm 50*29*21cm 37.5*28*23.5cm 37.5*28*23.5cm 32*24*23cm ETC.4.we can supply many kinds of kids' bike and children ...