... -arc welding/CO2 welding,3.Bike from fork or rear fork:steel and painting,argon-arc welding/co2 welding. ... can make as your requirement.5.Crank treatment:CP,ED OR UCP.6.Pedel:plastic without ball,with reflector,british ... is from 12" to 20",the rim treatment is UCP,CP,ED.10.Brake:caliper brake,V brake,band brake, ... ,3.0mm or 3.5mm.the treatment is ED,CP,UCP.11.Freewheel:12"-16T,16"-16T,20"-18T,single ...