Blue groove
Revision as of 21:35, 9 December 2010 by Addicted2speed (talk | contribs) (Created page with "Where the usable portion of the track builds up a layer of used rubber that is blueish in appearance, with high traction. Category:Definitions")
Where the usable portion of the track builds up a layer of used rubber that is blueish in appearance, with high traction.