... ------Use Banbury mixerPut raw material(Natural Rubber,Carbon Black,Oil,Additive,Rubber Accelerator) to Banbury Mixer,and produce sizing material ... 14,275-17,275-18275-21,300-17,300-18,300-16,325-16,325-18,300-19,375-19,410-18, ... ,275-17,275-18275-21,300-14,300-17,300-18,300-16,325-16,325-18,300-19,375-19,410-18 ... 130/70-13 Motorcycle offroad tyre275-17,275-18,300-17,300-18,110/90-16,130/90-15,410- ...