Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 12 Retreaded or used pneumatic tyres of rubber; solid tyres..., of rubber 40 12 20 Of a kind used on bicycles 40 12 20 50 Of a kind used on bicycles Commodity Code Description 40 12 20 50 00 Of a kind used on bicycles