A truck comprising: a hanger; the hanger comprising: a cylindrical body; wherein the cylindrical body surrounds a bore or void; a pivot saddle; the pivot saddle further comprises a pivot tip and a pivot body surrounding an aperture; at least two rotation inhibiting structures; wherein the at least two rotation inhibiting structures are integrally connected to the pivot saddle of the hanger; an axle; wherein the axle is received within the bore or the void of the cylindrical body of the hanger; an assembly; the assembly comprising: a first arm and a second arm; a first wheel and a second wheel coupled to the first arm and the second arm; a third wheel and a fourth wheel coupled to the axle; wherein: the first arm and the second arm comprise a front region, a middle region, and a rear region; the front region forms a front aperture; the middle region forms a middle aperture; the rear region forms a rear aperture; characterised in that: the at least two rotation inhibiting structures prevent the first arm and the second arm from rotating past a predetermined angle; the at least two rotation inhibiting structures are on opposing sides to the pivot saddle and spaced from the cylindrical body; and the at least two rotation inhibiting structures are coplanar to each other and wherein the middle region of the first and second arms are respectively located in the space between at least one of the rotation inhibiting structures and the cylindrical body. a hanger; the hanger comprising: a cylindrical body; wherein the cylindrical body surrounds a bore or void; a pivot saddle; the pivot saddle further comprises a pivot tip and a pivot body surrounding an aperture; at least two rotation inhibiting structures; wherein the at least two rotation inhibiting structures are integrally connected to the pivot saddle of the hanger; an axle; wherein the axle is received within the bore or the void of the cylindrical body of the hanger; an assembly; the assembly comprising: a first arm and a second arm; a first wheel and a second wheel coupled to the first arm and the second arm; a third wheel and a fourth wheel coupled to the axle; a cylindrical body; wherein the cylindrical body surrounds a bore or void; a pivot saddle; the pivot saddle further comprises a pivot tip and a pivot body surrounding an aperture; at least two rotation inhibiting structures; wherein the at least two rotation inhibiting structures are integrally connected to the pivot saddle of the hanger; an axle; wherein the axle is received within the bore or the void of the cylindrical body of the hanger; an assembly; the assembly comprising: a first arm and a second arm; a first wheel and a second wheel coupled to the first arm and the second arm; a third wheel and a fourth wheel coupled to the axle; a first arm and a second arm; a first wheel and a second wheel coupled to the first arm and the second arm; a third wheel and a fourth wheel coupled to the axle; wherein: the first arm and the second arm comprise a front region, a middle region, and a rear region; the front region forms a front aperture; the middle region forms a middle aperture; the rear region forms a rear aperture; characterised in that: the at least two rotation inhibiting structures prevent the first arm and the second arm from rotating past a predetermined angle; the at least two rotation inhibiting structures are on opposing sides to the pivot saddle and spaced from the cylindrical body; and the at least two rotation inhibiting structures are coplanar to each other and wherein the middle region of the first and second arms are respectively located in the space between at least one of the rotation inhibiting structures and the cylindrical body. the first arm and the second arm comprise a front region, a middle region, and a rear region; the front region forms a front aperture; the middle region forms a middle aperture; the rear region forms a rear aperture; characterised in that: the at least two rotation inhibiting structures prevent the first arm and the second arm from rotating past a predetermined angle; the at least two rotation inhibiting structures are on opposing sides to the pivot saddle and spaced from the cylindrical body; and the at least two rotation inhibiting structures are coplanar to each other and wherein the middle region of the first and second arms are respectively located in the space between at least one of the rotation inhibiting structures and the cylindrical body. the at least two rotation inhibiting structures prevent the first arm and the second arm from rotating past a predetermined angle; the at least two rotation inhibiting structures are on opposing sides to the pivot saddle and spaced from the cylindrical body; and the at least two rotation inhibiting structures are coplanar to each other and wherein the middle region of the first and second arms are respectively located in the space between at least one of the rotation inhibiting structures and the cylindrical body.