by adding citations to reliable sources . Unsourced material may be challenged and removed . (May 2007) [IMG]file:///C:\DOCUME~1\Hansel\LOCALS~1\Temp\msohtmlclip1\01\c lip_image003.jpg[/IMG] In a ground vehicle with a suspension , the unsprung weight (or the unsprung mass ) is the mass of the suspension, wheels or tracks (as applicable), and other components directly connected