Pair of 4×4 inch PCD 550kg Knott Avonride suspension units with extended shaft
These have a forged drop arm, cheaper alternatives have a hollow drop arm. This increases build quality and rigidity.
Maximum capacity per pair 550kg (including the weight of your trailer)
4 inch pcd greasable hub
Suits standard 8 and 10 inch wheels, but will also take wide/floatation wheels
4 inch PCD wheels tend to have a grease nipple cut out