Wheel rim 13 x 4.5 J, 4 studs on 5.5 ins PCD, with offset, a popular wheel on UK trailers and many older caravans.
RM 1032 Wheel Rim 13 ins 4x130 4.5J
Wheel rim 13 x 4.5 J, 4 studs on 100 mm PCD, offset, suits AL-KO axles and many Euro trailers.
Wheel 13 ins 4.5J 5 x 112 mm PCD, used on many caravans, usually with a AL-KO axles.
Wheel rim 13 ins 6J 5 x 6.5 ins PCD with offset, H/Duty applications, often used on Ifor Williams Trailers, with a 195x50R 13 tyre, Use H/D valves.
Wheel rim 13 x 5.5 J, H/duty applications, 5 studs on 6.5 ins PCD, offset, used on many commercial trailers, takes a 185x70R 13C 950 tyre. Use H/D valves.