3.00-17inner tube the wider molds for motorcycle inner tubes which are popular in Nigeria, such ... ltd. which is specialized in manufacturing wheelbarrow/motorcycle tyre and tube.The main products we produce are:Rubber Wheels: ... , 3.50-8, 4.00-8Motorcycle tire and tube::2.50-17, 2.75-17, 3.00- ... for motorcycle inner tubes which are popular in Nigeria, such as 2.50-18, 3.00-17, 3.00-18. natural inner tube