Suspension system

A suspension system () for supporting a chassis () of a vehicle (). The suspension system () comprises a suspension unit (). The suspension unit () comprises a wheel arm assembly () comprising a first wheel arm () having a chassis mount end () and a wheel mount end (). The chassis mount end () of the first wheel arm () is provided with a chassis mounting member (), the chassis mount end () of the first wheel arm () and chassis mounting member () being pivotable relative to one another around a chassis mount pivoting axis (). The chassis mounting member () is configured to support the chassis mount end () of the first wheel arm () so that the first wheel arm () and chassis mounting member () are operable to pivot 180 degrees relative to one another about the chassis mount pivoting axis ().