Section of motorcycle tyre Section of motor cycle, well base rim 27"x 4"and tube. Object Number: 1925-243 Pt1 type: tyre Image © The Board of Trustees of the Science Museum
Section of motorcycle tyre Section of( wired-on, type) motor cycle balloon tyre, from well base rim of 27"x 4". Object Number: 1925-243 Pt2 type: tyre Image © The Board of Trustees of the Science Museum